Pandas Tutorial.ipynb

{
 "cells": [
  {
   "cell_type": "markdown",
   "id": "d22d1f68",
   "metadata": {},
   "source": [
    "# Instalação e setup"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "96f67d4c",
   "metadata": {},
   "source": [
    "[![](PyPi.png)](https://pypi.org/)"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "9a3b95fe",
   "metadata": {},
   "source": [
    "- jupyter 1.0.0 - /project/jupyter/\n",
    "- pandas 1.3.4 - /project/pandas/\n",
    "- openpyxl 3.0.9 - /project/openpyxl/\n",
    "- xlwt 1.3.0 - /project/xlwt/\n",
    "- xlrd 2.0.1 - /project/xlrd/"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "f90ae279",
   "metadata": {},
   "source": [
    "# Download dos dados"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "7053d366",
   "metadata": {},
   "source": [
    "[![](STACK-OVERFLOW.png)](https://insights.stackoverflow.com/survey)"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "2d86213a",
   "metadata": {},
   "source": [
    "# Introdução"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "a55454d7",
   "metadata": {},
   "source": [
    "### Para importar a biblioteca pandas"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "id": "6166152e",
   "metadata": {},
   "outputs": [],
   "source": [
    "import pandas as pd"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "466f8be3",
   "metadata": {},
   "source": [
    "### Para importar a biblioteca numpy"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "id": "9fe729ff",
   "metadata": {},
   "outputs": [],
   "source": [
    "import numpy as np"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "11671c63",
   "metadata": {},
   "source": [
    "### Para ler o CSV com as perguntas"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "id": "e7dd070d",
   "metadata": {},
   "outputs": [],
   "source": [
    "questions = pd.read_csv(\"stack-overflow-developer-survey-2021/survey_results_schema.csv\")"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "963c934e",
   "metadata": {},
   "source": [
    "### Para visualizar o respetivo DataFrame"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "id": "70ceb357",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
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       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>qid</th>\n",
       "      <th>qname</th>\n",
       "      <th>question</th>\n",
       "      <th>force_resp</th>\n",
       "      <th>type</th>\n",
       "      <th>selector</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>QID16</td>\n",
       "      <td>S0</td>\n",
       "      <td>&lt;div&gt;&lt;span style=\"font-size:19px;\"&gt;&lt;strong&gt;Hel...</td>\n",
       "      <td>False</td>\n",
       "      <td>DB</td>\n",
       "      <td>TB</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>QID12</td>\n",
       "      <td>MetaInfo</td>\n",
       "      <td>Browser Meta Info</td>\n",
       "      <td>False</td>\n",
       "      <td>Meta</td>\n",
       "      <td>Browser</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>QID1</td>\n",
       "      <td>S1</td>\n",
       "      <td>&lt;span style=\"font-size:22px; font-family: aria...</td>\n",
       "      <td>False</td>\n",
       "      <td>DB</td>\n",
       "      <td>TB</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>QID2</td>\n",
       "      <td>MainBranch</td>\n",
       "      <td>Which of the following options best describes ...</td>\n",
       "      <td>True</td>\n",
       "      <td>MC</td>\n",
       "      <td>SAVR</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>QID24</td>\n",
       "      <td>Employment</td>\n",
       "      <td>Which of the following best describes your cur...</td>\n",
       "      <td>False</td>\n",
       "      <td>MC</td>\n",
       "      <td>MAVR</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>5</th>\n",
       "      <td>QID6</td>\n",
       "      <td>Country</td>\n",
       "      <td>Where do you live? &lt;span style=\"font-weight: b...</td>\n",
       "      <td>True</td>\n",
       "      <td>MC</td>\n",
       "      <td>DL</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>6</th>\n",
       "      <td>QID7</td>\n",
       "      <td>US_State</td>\n",
       "      <td>&lt;p&gt;In which state or territory of the USA do y...</td>\n",
       "      <td>False</td>\n",
       "      <td>MC</td>\n",
       "      <td>DL</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>7</th>\n",
       "      <td>QID9</td>\n",
       "      <td>UK_Country</td>\n",
       "      <td>In which part of the United Kingdom do you liv...</td>\n",
       "      <td>False</td>\n",
       "      <td>MC</td>\n",
       "      <td>DL</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>8</th>\n",
       "      <td>QID190</td>\n",
       "      <td>S2</td>\n",
       "      <td>&lt;span style=\"font-size:22px; font-family: aria...</td>\n",
       "      <td>False</td>\n",
       "      <td>DB</td>\n",
       "      <td>TB</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>9</th>\n",
       "      <td>QID25</td>\n",
       "      <td>EdLevel</td>\n",
       "      <td>Which of the following best describes the high...</td>\n",
       "      <td>False</td>\n",
       "      <td>MC</td>\n",
       "      <td>SAVR</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>10</th>\n",
       "      <td>QID149</td>\n",
       "      <td>Age1stCode</td>\n",
       "      <td>At what age did you write your first line of c...</td>\n",
       "      <td>False</td>\n",
       "      <td>MC</td>\n",
       "      <td>MAVR</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>11</th>\n",
       "      <td>QID276</td>\n",
       "      <td>LearnCode</td>\n",
       "      <td>How did you learn to code? Select all that apply.</td>\n",
       "      <td>False</td>\n",
       "      <td>MC</td>\n",
       "      <td>MAVR</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>12</th>\n",
       "      <td>QID32</td>\n",
       "      <td>YearsCode</td>\n",
       "      <td>Including any education, how many years have y...</td>\n",
       "      <td>False</td>\n",
       "      <td>MC</td>\n",
       "      <td>DL</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>13</th>\n",
       "      <td>QID34</td>\n",
       "      <td>YearsCodePro</td>\n",
       "      <td>NOT including education, how many years have y...</td>\n",
       "      <td>False</td>\n",
       "      <td>MC</td>\n",
       "      <td>DL</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>14</th>\n",
       "      <td>QID31</td>\n",
       "      <td>DevType</td>\n",
       "      <td>Which of the following describes your current ...</td>\n",
       "      <td>False</td>\n",
       "      <td>MC</td>\n",
       "      <td>MAVR</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>15</th>\n",
       "      <td>QID29</td>\n",
       "      <td>OrgSize</td>\n",
       "      <td>Approximately how many people are employed by ...</td>\n",
       "      <td>False</td>\n",
       "      <td>MC</td>\n",
       "      <td>MAVR</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>16</th>\n",
       "      <td>QID50</td>\n",
       "      <td>Currency</td>\n",
       "      <td>Which currency do you use day-to-day? If your ...</td>\n",
       "      <td>True</td>\n",
       "      <td>MC</td>\n",
       "      <td>SB</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>17</th>\n",
       "      <td>QID51</td>\n",
       "      <td>CompTotal</td>\n",
       "      <td>What is your current total compensation (salar...</td>\n",
       "      <td>False</td>\n",
       "      <td>TE</td>\n",
       "      <td>SL</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>18</th>\n",
       "      <td>QID52</td>\n",
       "      <td>CompFreq</td>\n",
       "      <td>Is that compensation weekly, monthly, or yearly?</td>\n",
       "      <td>False</td>\n",
       "      <td>MC</td>\n",
       "      <td>MAVR</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>19</th>\n",
       "      <td>QID61</td>\n",
       "      <td>S3</td>\n",
       "      <td>&lt;span style=\"font-size:22px; font-family: aria...</td>\n",
       "      <td>False</td>\n",
       "      <td>DB</td>\n",
       "      <td>TB</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>20</th>\n",
       "      <td>QID233</td>\n",
       "      <td>Language</td>\n",
       "      <td>Which &lt;b&gt;programming, scripting, and markup la...</td>\n",
       "      <td>False</td>\n",
       "      <td>Matrix</td>\n",
       "      <td>Likert</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>21</th>\n",
       "      <td>QID262</td>\n",
       "      <td>Database</td>\n",
       "      <td>Which &lt;b&gt;database environments &lt;/b&gt;have you do...</td>\n",
       "      <td>False</td>\n",
       "      <td>Matrix</td>\n",
       "      <td>Likert</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>22</th>\n",
       "      <td>QID263</td>\n",
       "      <td>Platform</td>\n",
       "      <td>Which &lt;b&gt;cloud platforms&lt;/b&gt; have you done ext...</td>\n",
       "      <td>False</td>\n",
       "      <td>Matrix</td>\n",
       "      <td>Likert</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>23</th>\n",
       "      <td>QID264</td>\n",
       "      <td>Webframe</td>\n",
       "      <td>Which &lt;strong&gt;web frameworks &lt;/strong&gt;&lt;span st...</td>\n",
       "      <td>False</td>\n",
       "      <td>Matrix</td>\n",
       "      <td>Likert</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>24</th>\n",
       "      <td>QID265</td>\n",
       "      <td>MiscTech</td>\n",
       "      <td>Which &lt;b&gt;other frameworks and libraries&lt;/b&gt; ha...</td>\n",
       "      <td>False</td>\n",
       "      <td>Matrix</td>\n",
       "      <td>Likert</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>25</th>\n",
       "      <td>QID275</td>\n",
       "      <td>ToolsTech</td>\n",
       "      <td>Which &lt;strong&gt;tools&lt;/strong&gt; have you done ext...</td>\n",
       "      <td>False</td>\n",
       "      <td>Matrix</td>\n",
       "      <td>Likert</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>26</th>\n",
       "      <td>QID274</td>\n",
       "      <td>NEWCollabTools</td>\n",
       "      <td>Which &lt;strong&gt;development environments&lt;/strong...</td>\n",
       "      <td>False</td>\n",
       "      <td>Matrix</td>\n",
       "      <td>Likert</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>27</th>\n",
       "      <td>QID71</td>\n",
       "      <td>OpSys</td>\n",
       "      <td>What is the primary operating system in which ...</td>\n",
       "      <td>False</td>\n",
       "      <td>MC</td>\n",
       "      <td>SAVR</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>28</th>\n",
       "      <td>QID243</td>\n",
       "      <td>NEWStuck</td>\n",
       "      <td>What do you do when you get stuck on a problem...</td>\n",
       "      <td>False</td>\n",
       "      <td>MC</td>\n",
       "      <td>MAVR</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>29</th>\n",
       "      <td>QID91</td>\n",
       "      <td>S4</td>\n",
       "      <td>&lt;span style=\"font-size:22px; font-family: aria...</td>\n",
       "      <td>False</td>\n",
       "      <td>DB</td>\n",
       "      <td>TB</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>30</th>\n",
       "      <td>QID266</td>\n",
       "      <td>NEWSOSites</td>\n",
       "      <td>Which of the following Stack Overflow sites ha...</td>\n",
       "      <td>False</td>\n",
       "      <td>MC</td>\n",
       "      <td>MAVR</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>31</th>\n",
       "      <td>QID100</td>\n",
       "      <td>SOVisitFreq</td>\n",
       "      <td>How frequently would you say you visit Stack O...</td>\n",
       "      <td>False</td>\n",
       "      <td>MC</td>\n",
       "      <td>MAVR</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>32</th>\n",
       "      <td>QID101</td>\n",
       "      <td>SOAccount</td>\n",
       "      <td>Do you have a Stack Overflow account?</td>\n",
       "      <td>False</td>\n",
       "      <td>MC</td>\n",
       "      <td>MAVR</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>33</th>\n",
       "      <td>QID102</td>\n",
       "      <td>SOPartFreq</td>\n",
       "      <td>How frequently would you say you participate i...</td>\n",
       "      <td>False</td>\n",
       "      <td>MC</td>\n",
       "      <td>MAVR</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>34</th>\n",
       "      <td>QID106</td>\n",
       "      <td>SOComm</td>\n",
       "      <td>Do you consider yourself a member of the Stack...</td>\n",
       "      <td>False</td>\n",
       "      <td>MC</td>\n",
       "      <td>MAVR</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>35</th>\n",
       "      <td>QID267</td>\n",
       "      <td>NEWOtherComms</td>\n",
       "      <td>Are you a member of any other online developer...</td>\n",
       "      <td>False</td>\n",
       "      <td>MC</td>\n",
       "      <td>MAVR</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>36</th>\n",
       "      <td>QID268</td>\n",
       "      <td>NEWOtherCommsNames</td>\n",
       "      <td>Please name up to 5 other online developer com...</td>\n",
       "      <td>False</td>\n",
       "      <td>Matrix</td>\n",
       "      <td>Likert</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>37</th>\n",
       "      <td>QID121</td>\n",
       "      <td>S5</td>\n",
       "      <td>&lt;span style=\"font-size:22px; font-family: aria...</td>\n",
       "      <td>False</td>\n",
       "      <td>DB</td>\n",
       "      <td>TB</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>38</th>\n",
       "      <td>QID127</td>\n",
       "      <td>Age</td>\n",
       "      <td>What is your age?</td>\n",
       "      <td>False</td>\n",
       "      <td>MC</td>\n",
       "      <td>MAVR</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>39</th>\n",
       "      <td>QID122</td>\n",
       "      <td>Gender</td>\n",
       "      <td>Which of the following describe you, if any? P...</td>\n",
       "      <td>False</td>\n",
       "      <td>MC</td>\n",
       "      <td>MAVR</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>40</th>\n",
       "      <td>QID153</td>\n",
       "      <td>Trans</td>\n",
       "      <td>Do you identify as transgender?</td>\n",
       "      <td>False</td>\n",
       "      <td>MC</td>\n",
       "      <td>MAVR</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>41</th>\n",
       "      <td>QID136</td>\n",
       "      <td>Sexuality</td>\n",
       "      <td>Which of the following describe you, if any? P...</td>\n",
       "      <td>False</td>\n",
       "      <td>MC</td>\n",
       "      <td>MAVR</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>42</th>\n",
       "      <td>QID126</td>\n",
       "      <td>Ethnicity</td>\n",
       "      <td>Which of the following describe you, if any? P...</td>\n",
       "      <td>False</td>\n",
       "      <td>MC</td>\n",
       "      <td>MAVR</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>43</th>\n",
       "      <td>QID124</td>\n",
       "      <td>Accessibility</td>\n",
       "      <td>Which of the following describe you, if any? P...</td>\n",
       "      <td>False</td>\n",
       "      <td>MC</td>\n",
       "      <td>MAVR</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>44</th>\n",
       "      <td>QID125</td>\n",
       "      <td>MentalHealth</td>\n",
       "      <td>Which of the following describe you, if any? P...</td>\n",
       "      <td>False</td>\n",
       "      <td>MC</td>\n",
       "      <td>MAVR</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>45</th>\n",
       "      <td>QID131</td>\n",
       "      <td>S6</td>\n",
       "      <td>&lt;span style=\"font-size:22px;\"&gt;&lt;strong&gt;Final Qu...</td>\n",
       "      <td>False</td>\n",
       "      <td>DB</td>\n",
       "      <td>TB</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>46</th>\n",
       "      <td>QID132</td>\n",
       "      <td>SurveyLength</td>\n",
       "      <td>How do you feel about the length of the survey...</td>\n",
       "      <td>False</td>\n",
       "      <td>MC</td>\n",
       "      <td>MAVR</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>47</th>\n",
       "      <td>QID133</td>\n",
       "      <td>SurveyEase</td>\n",
       "      <td>How easy or difficult was this survey to compl...</td>\n",
       "      <td>False</td>\n",
       "      <td>MC</td>\n",
       "      <td>MAVR</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "       qid               qname  \\\n",
       "0    QID16                  S0   \n",
       "1    QID12            MetaInfo   \n",
       "2     QID1                  S1   \n",
       "3     QID2          MainBranch   \n",
       "4    QID24          Employment   \n",
       "5     QID6             Country   \n",
       "6     QID7            US_State   \n",
       "7     QID9          UK_Country   \n",
       "8   QID190                  S2   \n",
       "9    QID25             EdLevel   \n",
       "10  QID149          Age1stCode   \n",
       "11  QID276           LearnCode   \n",
       "12   QID32           YearsCode   \n",
       "13   QID34        YearsCodePro   \n",
       "14   QID31             DevType   \n",
       "15   QID29             OrgSize   \n",
       "16   QID50            Currency   \n",
       "17   QID51           CompTotal   \n",
       "18   QID52            CompFreq   \n",
       "19   QID61                  S3   \n",
       "20  QID233            Language   \n",
       "21  QID262            Database   \n",
       "22  QID263            Platform   \n",
       "23  QID264            Webframe   \n",
       "24  QID265            MiscTech   \n",
       "25  QID275           ToolsTech   \n",
       "26  QID274      NEWCollabTools   \n",
       "27   QID71               OpSys   \n",
       "28  QID243            NEWStuck   \n",
       "29   QID91                  S4   \n",
       "30  QID266          NEWSOSites   \n",
       "31  QID100         SOVisitFreq   \n",
       "32  QID101           SOAccount   \n",
       "33  QID102          SOPartFreq   \n",
       "34  QID106              SOComm   \n",
       "35  QID267       NEWOtherComms   \n",
       "36  QID268  NEWOtherCommsNames   \n",
       "37  QID121                  S5   \n",
       "38  QID127                 Age   \n",
       "39  QID122              Gender   \n",
       "40  QID153               Trans   \n",
       "41  QID136           Sexuality   \n",
       "42  QID126           Ethnicity   \n",
       "43  QID124       Accessibility   \n",
       "44  QID125        MentalHealth   \n",
       "45  QID131                  S6   \n",
       "46  QID132        SurveyLength   \n",
       "47  QID133          SurveyEase   \n",
       "\n",
       "                                             question  force_resp    type  \\\n",
       "0   <div><span style=\"font-size:19px;\"><strong>Hel...       False      DB   \n",
       "1                                   Browser Meta Info       False    Meta   \n",
       "2   <span style=\"font-size:22px; font-family: aria...       False      DB   \n",
       "3   Which of the following options best describes ...        True      MC   \n",
       "4   Which of the following best describes your cur...       False      MC   \n",
       "5   Where do you live? <span style=\"font-weight: b...        True      MC   \n",
       "6   <p>In which state or territory of the USA do y...       False      MC   \n",
       "7   In which part of the United Kingdom do you liv...       False      MC   \n",
       "8   <span style=\"font-size:22px; font-family: aria...       False      DB   \n",
       "9   Which of the following best describes the high...       False      MC   \n",
       "10  At what age did you write your first line of c...       False      MC   \n",
       "11  How did you learn to code? Select all that apply.       False      MC   \n",
       "12  Including any education, how many years have y...       False      MC   \n",
       "13  NOT including education, how many years have y...       False      MC   \n",
       "14  Which of the following describes your current ...       False      MC   \n",
       "15  Approximately how many people are employed by ...       False      MC   \n",
       "16  Which currency do you use day-to-day? If your ...        True      MC   \n",
       "17  What is your current total compensation (salar...       False      TE   \n",
       "18   Is that compensation weekly, monthly, or yearly?       False      MC   \n",
       "19  <span style=\"font-size:22px; font-family: aria...       False      DB   \n",
       "20  Which <b>programming, scripting, and markup la...       False  Matrix   \n",
       "21  Which <b>database environments </b>have you do...       False  Matrix   \n",
       "22  Which <b>cloud platforms</b> have you done ext...       False  Matrix   \n",
       "23  Which <strong>web frameworks </strong><span st...       False  Matrix   \n",
       "24  Which <b>other frameworks and libraries</b> ha...       False  Matrix   \n",
       "25  Which <strong>tools</strong> have you done ext...       False  Matrix   \n",
       "26  Which <strong>development environments</strong...       False  Matrix   \n",
       "27  What is the primary operating system in which ...       False      MC   \n",
       "28  What do you do when you get stuck on a problem...       False      MC   \n",
       "29  <span style=\"font-size:22px; font-family: aria...       False      DB   \n",
       "30  Which of the following Stack Overflow sites ha...       False      MC   \n",
       "31  How frequently would you say you visit Stack O...       False      MC   \n",
       "32              Do you have a Stack Overflow account?       False      MC   \n",
       "33  How frequently would you say you participate i...       False      MC   \n",
       "34  Do you consider yourself a member of the Stack...       False      MC   \n",
       "35  Are you a member of any other online developer...       False      MC   \n",
       "36  Please name up to 5 other online developer com...       False  Matrix   \n",
       "37  <span style=\"font-size:22px; font-family: aria...       False      DB   \n",
       "38                                  What is your age?       False      MC   \n",
       "39  Which of the following describe you, if any? P...       False      MC   \n",
       "40                    Do you identify as transgender?       False      MC   \n",
       "41  Which of the following describe you, if any? P...       False      MC   \n",
       "42  Which of the following describe you, if any? P...       False      MC   \n",
       "43  Which of the following describe you, if any? P...       False      MC   \n",
       "44  Which of the following describe you, if any? P...       False      MC   \n",
       "45  <span style=\"font-size:22px;\"><strong>Final Qu...       False      DB   \n",
       "46  How do you feel about the length of the survey...       False      MC   \n",
       "47  How easy or difficult was this survey to compl...       False      MC   \n",
       "\n",
       "   selector  \n",
       "0        TB  \n",
       "1   Browser  \n",
       "2        TB  \n",
       "3      SAVR  \n",
       "4      MAVR  \n",
       "5        DL  \n",
       "6        DL  \n",
       "7        DL  \n",
       "8        TB  \n",
       "9      SAVR  \n",
       "10     MAVR  \n",
       "11     MAVR  \n",
       "12       DL  \n",
       "13       DL  \n",
       "14     MAVR  \n",
       "15     MAVR  \n",
       "16       SB  \n",
       "17       SL  \n",
       "18     MAVR  \n",
       "19       TB  \n",
       "20   Likert  \n",
       "21   Likert  \n",
       "22   Likert  \n",
       "23   Likert  \n",
       "24   Likert  \n",
       "25   Likert  \n",
       "26   Likert  \n",
       "27     SAVR  \n",
       "28     MAVR  \n",
       "29       TB  \n",
       "30     MAVR  \n",
       "31     MAVR  \n",
       "32     MAVR  \n",
       "33     MAVR  \n",
       "34     MAVR  \n",
       "35     MAVR  \n",
       "36   Likert  \n",
       "37       TB  \n",
       "38     MAVR  \n",
       "39     MAVR  \n",
       "40     MAVR  \n",
       "41     MAVR  \n",
       "42     MAVR  \n",
       "43     MAVR  \n",
       "44     MAVR  \n",
       "45       TB  \n",
       "46     MAVR  \n",
       "47     MAVR  "
      ]
     },
     "execution_count": 4,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "questions"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "d79ccfcd",
   "metadata": {},
   "source": [
    "### Para ler o CSV com as respostas"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "id": "f6570cac",
   "metadata": {},
   "outputs": [],
   "source": [
    "answers = pd.read_csv(\"stack-overflow-developer-survey-2021/survey_results_public.csv\")"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "d74488ff",
   "metadata": {},
   "source": [
    "### Para visualizar o respetivo DataFrame"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "id": "b6938997",
   "metadata": {
    "scrolled": false
   },
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>ResponseId</th>\n",
       "      <th>MainBranch</th>\n",
       "      <th>Employment</th>\n",
       "      <th>Country</th>\n",
       "      <th>US_State</th>\n",
       "      <th>UK_Country</th>\n",
       "      <th>EdLevel</th>\n",
       "      <th>Age1stCode</th>\n",
       "      <th>LearnCode</th>\n",
       "      <th>YearsCode</th>\n",
       "      <th>...</th>\n",
       "      <th>Age</th>\n",
       "      <th>Gender</th>\n",
       "      <th>Trans</th>\n",
       "      <th>Sexuality</th>\n",
       "      <th>Ethnicity</th>\n",
       "      <th>Accessibility</th>\n",
       "      <th>MentalHealth</th>\n",
       "      <th>SurveyLength</th>\n",
       "      <th>SurveyEase</th>\n",
       "      <th>ConvertedCompYearly</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>1</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Independent contractor, freelancer, or self-em...</td>\n",
       "      <td>Slovakia</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Secondary school (e.g. American high school, G...</td>\n",
       "      <td>18 - 24 years</td>\n",
       "      <td>Coding Bootcamp;Other online resources (ex: vi...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>...</td>\n",
       "      <td>25-34 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Easy</td>\n",
       "      <td>62268.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>2</td>\n",
       "      <td>I am a student who is learning to code</td>\n",
       "      <td>Student, full-time</td>\n",
       "      <td>Netherlands</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Bachelor’s degree (B.A., B.S., B.Eng., etc.)</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>Other online resources (ex: videos, blogs, etc...</td>\n",
       "      <td>7</td>\n",
       "      <td>...</td>\n",
       "      <td>18-24 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Easy</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>3</td>\n",
       "      <td>I am not primarily a developer, but I write co...</td>\n",
       "      <td>Student, full-time</td>\n",
       "      <td>Russian Federation</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Bachelor’s degree (B.A., B.S., B.Eng., etc.)</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>Other online resources (ex: videos, blogs, etc...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>...</td>\n",
       "      <td>18-24 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>Prefer not to say</td>\n",
       "      <td>Prefer not to say</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Easy</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>4</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>Austria</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Master’s degree (M.A., M.S., M.Eng., MBA, etc.)</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>...</td>\n",
       "      <td>35-44 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>I am deaf / hard of hearing</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Neither easy nor difficult</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>5</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Independent contractor, freelancer, or self-em...</td>\n",
       "      <td>United Kingdom of Great Britain and Northern I...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>England</td>\n",
       "      <td>Master’s degree (M.A., M.S., M.Eng., MBA, etc.)</td>\n",
       "      <td>5 - 10 years</td>\n",
       "      <td>Friend or family member</td>\n",
       "      <td>17</td>\n",
       "      <td>...</td>\n",
       "      <td>25-34 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>NaN</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Easy</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>...</th>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>83434</th>\n",
       "      <td>83435</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>United States of America</td>\n",
       "      <td>Texas</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Bachelor’s degree (B.A., B.S., B.Eng., etc.)</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>Other online resources (ex: videos, blogs, etc...</td>\n",
       "      <td>6</td>\n",
       "      <td>...</td>\n",
       "      <td>25-34 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>I have a concentration and/or memory disorder ...</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Easy</td>\n",
       "      <td>160500.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>83435</th>\n",
       "      <td>83436</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Independent contractor, freelancer, or self-em...</td>\n",
       "      <td>Benin</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Bachelor’s degree (B.A., B.S., B.Eng., etc.)</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>Other online resources (ex: videos, blogs, etc...</td>\n",
       "      <td>4</td>\n",
       "      <td>...</td>\n",
       "      <td>18-24 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>Black or of African descent</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Easy</td>\n",
       "      <td>3960.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>83436</th>\n",
       "      <td>83437</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>United States of America</td>\n",
       "      <td>New Jersey</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Secondary school (e.g. American high school, G...</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>School</td>\n",
       "      <td>10</td>\n",
       "      <td>...</td>\n",
       "      <td>25-34 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>NaN</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Neither easy nor difficult</td>\n",
       "      <td>90000.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>83437</th>\n",
       "      <td>83438</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>Canada</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Bachelor’s degree (B.A., B.S., B.Eng., etc.)</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>Online Courses or Certification;Books / Physic...</td>\n",
       "      <td>5</td>\n",
       "      <td>...</td>\n",
       "      <td>25-34 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>I have a mood or emotional disorder (e.g. depr...</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Neither easy nor difficult</td>\n",
       "      <td>816816.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>83438</th>\n",
       "      <td>83439</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>Brazil</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Professional degree (JD, MD, etc.)</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>School</td>\n",
       "      <td>14</td>\n",
       "      <td>...</td>\n",
       "      <td>18-24 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>Hispanic or Latino/a/x</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Easy</td>\n",
       "      <td>21168.0</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "<p>83439 rows × 48 columns</p>\n",
       "</div>"
      ],
      "text/plain": [
       "       ResponseId                                         MainBranch  \\\n",
       "0               1                     I am a developer by profession   \n",
       "1               2             I am a student who is learning to code   \n",
       "2               3  I am not primarily a developer, but I write co...   \n",
       "3               4                     I am a developer by profession   \n",
       "4               5                     I am a developer by profession   \n",
       "...           ...                                                ...   \n",
       "83434       83435                     I am a developer by profession   \n",
       "83435       83436                     I am a developer by profession   \n",
       "83436       83437                     I am a developer by profession   \n",
       "83437       83438                     I am a developer by profession   \n",
       "83438       83439                     I am a developer by profession   \n",
       "\n",
       "                                              Employment  \\\n",
       "0      Independent contractor, freelancer, or self-em...   \n",
       "1                                     Student, full-time   \n",
       "2                                     Student, full-time   \n",
       "3                                     Employed full-time   \n",
       "4      Independent contractor, freelancer, or self-em...   \n",
       "...                                                  ...   \n",
       "83434                                 Employed full-time   \n",
       "83435  Independent contractor, freelancer, or self-em...   \n",
       "83436                                 Employed full-time   \n",
       "83437                                 Employed full-time   \n",
       "83438                                 Employed full-time   \n",
       "\n",
       "                                                 Country    US_State  \\\n",
       "0                                               Slovakia         NaN   \n",
       "1                                            Netherlands         NaN   \n",
       "2                                     Russian Federation         NaN   \n",
       "3                                                Austria         NaN   \n",
       "4      United Kingdom of Great Britain and Northern I...         NaN   \n",
       "...                                                  ...         ...   \n",
       "83434                           United States of America       Texas   \n",
       "83435                                              Benin         NaN   \n",
       "83436                           United States of America  New Jersey   \n",
       "83437                                             Canada         NaN   \n",
       "83438                                             Brazil         NaN   \n",
       "\n",
       "      UK_Country                                            EdLevel  \\\n",
       "0            NaN  Secondary school (e.g. American high school, G...   \n",
       "1            NaN       Bachelor’s degree (B.A., B.S., B.Eng., etc.)   \n",
       "2            NaN       Bachelor’s degree (B.A., B.S., B.Eng., etc.)   \n",
       "3            NaN    Master’s degree (M.A., M.S., M.Eng., MBA, etc.)   \n",
       "4        England    Master’s degree (M.A., M.S., M.Eng., MBA, etc.)   \n",
       "...          ...                                                ...   \n",
       "83434        NaN       Bachelor’s degree (B.A., B.S., B.Eng., etc.)   \n",
       "83435        NaN       Bachelor’s degree (B.A., B.S., B.Eng., etc.)   \n",
       "83436        NaN  Secondary school (e.g. American high school, G...   \n",
       "83437        NaN       Bachelor’s degree (B.A., B.S., B.Eng., etc.)   \n",
       "83438        NaN                 Professional degree (JD, MD, etc.)   \n",
       "\n",
       "          Age1stCode                                          LearnCode  \\\n",
       "0      18 - 24 years  Coding Bootcamp;Other online resources (ex: vi...   \n",
       "1      11 - 17 years  Other online resources (ex: videos, blogs, etc...   \n",
       "2      11 - 17 years  Other online resources (ex: videos, blogs, etc...   \n",
       "3      11 - 17 years                                                NaN   \n",
       "4       5 - 10 years                            Friend or family member   \n",
       "...              ...                                                ...   \n",
       "83434  11 - 17 years  Other online resources (ex: videos, blogs, etc...   \n",
       "83435  11 - 17 years  Other online resources (ex: videos, blogs, etc...   \n",
       "83436  11 - 17 years                                             School   \n",
       "83437  11 - 17 years  Online Courses or Certification;Books / Physic...   \n",
       "83438  11 - 17 years                                             School   \n",
       "\n",
       "      YearsCode  ...              Age Gender Trans                Sexuality  \\\n",
       "0           NaN  ...  25-34 years old    Man    No  Straight / Heterosexual   \n",
       "1             7  ...  18-24 years old    Man    No  Straight / Heterosexual   \n",
       "2           NaN  ...  18-24 years old    Man    No        Prefer not to say   \n",
       "3           NaN  ...  35-44 years old    Man    No  Straight / Heterosexual   \n",
       "4            17  ...  25-34 years old    Man    No                      NaN   \n",
       "...         ...  ...              ...    ...   ...                      ...   \n",
       "83434         6  ...  25-34 years old    Man    No  Straight / Heterosexual   \n",
       "83435         4  ...  18-24 years old    Man    No  Straight / Heterosexual   \n",
       "83436        10  ...  25-34 years old    Man    No                      NaN   \n",
       "83437         5  ...  25-34 years old    Man    No  Straight / Heterosexual   \n",
       "83438        14  ...  18-24 years old    Man    No  Straight / Heterosexual   \n",
       "\n",
       "                          Ethnicity                Accessibility  \\\n",
       "0      White or of European descent            None of the above   \n",
       "1      White or of European descent            None of the above   \n",
       "2                 Prefer not to say            None of the above   \n",
       "3      White or of European descent  I am deaf / hard of hearing   \n",
       "4      White or of European descent            None of the above   \n",
       "...                             ...                          ...   \n",
       "83434  White or of European descent            None of the above   \n",
       "83435   Black or of African descent            None of the above   \n",
       "83436  White or of European descent            None of the above   \n",
       "83437  White or of European descent            None of the above   \n",
       "83438        Hispanic or Latino/a/x            None of the above   \n",
       "\n",
       "                                            MentalHealth  \\\n",
       "0                                      None of the above   \n",
       "1                                      None of the above   \n",
       "2                                      None of the above   \n",
       "3                                                    NaN   \n",
       "4                                                    NaN   \n",
       "...                                                  ...   \n",
       "83434  I have a concentration and/or memory disorder ...   \n",
       "83435                                  None of the above   \n",
       "83436                                  None of the above   \n",
       "83437  I have a mood or emotional disorder (e.g. depr...   \n",
       "83438                                  None of the above   \n",
       "\n",
       "                SurveyLength                  SurveyEase ConvertedCompYearly  \n",
       "0      Appropriate in length                        Easy             62268.0  \n",
       "1      Appropriate in length                        Easy                 NaN  \n",
       "2      Appropriate in length                        Easy                 NaN  \n",
       "3      Appropriate in length  Neither easy nor difficult                 NaN  \n",
       "4      Appropriate in length                        Easy                 NaN  \n",
       "...                      ...                         ...                 ...  \n",
       "83434  Appropriate in length                        Easy            160500.0  \n",
       "83435  Appropriate in length                        Easy              3960.0  \n",
       "83436  Appropriate in length  Neither easy nor difficult             90000.0  \n",
       "83437  Appropriate in length  Neither easy nor difficult            816816.0  \n",
       "83438  Appropriate in length                        Easy             21168.0  \n",
       "\n",
       "[83439 rows x 48 columns]"
      ]
     },
     "execution_count": 6,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "answers"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "44148a93",
   "metadata": {},
   "source": [
    "### Para visualizar o número de linhas e colunas do DataFrame"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "id": "38c40101",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "(83439, 48)"
      ]
     },
     "execution_count": 7,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "answers.shape"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "78777dbe",
   "metadata": {},
   "source": [
    "### Para visualizar informação detalhada acerca do DataFrame"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "id": "5c474240",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "<class 'pandas.core.frame.DataFrame'>\n",
      "RangeIndex: 83439 entries, 0 to 83438\n",
      "Data columns (total 48 columns):\n",
      " #   Column                        Non-Null Count  Dtype  \n",
      "---  ------                        --------------  -----  \n",
      " 0   ResponseId                    83439 non-null  int64  \n",
      " 1   MainBranch                    83439 non-null  object \n",
      " 2   Employment                    83323 non-null  object \n",
      " 3   Country                       83439 non-null  object \n",
      " 4   US_State                      14920 non-null  object \n",
      " 5   UK_Country                    4418 non-null   object \n",
      " 6   EdLevel                       83126 non-null  object \n",
      " 7   Age1stCode                    83243 non-null  object \n",
      " 8   LearnCode                     82963 non-null  object \n",
      " 9   YearsCode                     81641 non-null  object \n",
      " 10  YearsCodePro                  61216 non-null  object \n",
      " 11  DevType                       66484 non-null  object \n",
      " 12  OrgSize                       60726 non-null  object \n",
      " 13  Currency                      61080 non-null  object \n",
      " 14  CompTotal                     47183 non-null  float64\n",
      " 15  CompFreq                      52150 non-null  object \n",
      " 16  LanguageHaveWorkedWith        82357 non-null  object \n",
      " 17  LanguageWantToWorkWith        76821 non-null  object \n",
      " 18  DatabaseHaveWorkedWith        69546 non-null  object \n",
      " 19  DatabaseWantToWorkWith        58299 non-null  object \n",
      " 20  PlatformHaveWorkedWith        52135 non-null  object \n",
      " 21  PlatformWantToWorkWith        41619 non-null  object \n",
      " 22  WebframeHaveWorkedWith        61707 non-null  object \n",
      " 23  WebframeWantToWorkWith        52095 non-null  object \n",
      " 24  MiscTechHaveWorkedWith        47055 non-null  object \n",
      " 25  MiscTechWantToWorkWith        38021 non-null  object \n",
      " 26  ToolsTechHaveWorkedWith       72537 non-null  object \n",
      " 27  ToolsTechWantToWorkWith       65480 non-null  object \n",
      " 28  NEWCollabToolsHaveWorkedWith  81234 non-null  object \n",
      " 29  NEWCollabToolsWantToWorkWith  73022 non-null  object \n",
      " 30  OpSys                         83294 non-null  object \n",
      " 31  NEWStuck                      83052 non-null  object \n",
      " 32  NEWSOSites                    83171 non-null  object \n",
      " 33  SOVisitFreq                   82413 non-null  object \n",
      " 34  SOAccount                     82525 non-null  object \n",
      " 35  SOPartFreq                    67553 non-null  object \n",
      " 36  SOComm                        82319 non-null  object \n",
      " 37  NEWOtherComms                 82828 non-null  object \n",
      " 38  Age                           82407 non-null  object \n",
      " 39  Gender                        82286 non-null  object \n",
      " 40  Trans                         80678 non-null  object \n",
      " 41  Sexuality                     73366 non-null  object \n",
      " 42  Ethnicity                     79464 non-null  object \n",
      " 43  Accessibility                 77603 non-null  object \n",
      " 44  MentalHealth                  76920 non-null  object \n",
      " 45  SurveyLength                  81711 non-null  object \n",
      " 46  SurveyEase                    81948 non-null  object \n",
      " 47  ConvertedCompYearly           46844 non-null  float64\n",
      "dtypes: float64(2), int64(1), object(45)\n",
      "memory usage: 30.6+ MB\n"
     ]
    }
   ],
   "source": [
    "answers.info()"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "0d13dcd0",
   "metadata": {},
   "source": [
    "### Para visualizar o número máximo de colunas do DataFrame"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "id": "98def93c",
   "metadata": {},
   "outputs": [],
   "source": [
    "pd.set_option(\"display.max_columns\", 48)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "id": "392ee714",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>ResponseId</th>\n",
       "      <th>MainBranch</th>\n",
       "      <th>Employment</th>\n",
       "      <th>Country</th>\n",
       "      <th>US_State</th>\n",
       "      <th>UK_Country</th>\n",
       "      <th>EdLevel</th>\n",
       "      <th>Age1stCode</th>\n",
       "      <th>LearnCode</th>\n",
       "      <th>YearsCode</th>\n",
       "      <th>YearsCodePro</th>\n",
       "      <th>DevType</th>\n",
       "      <th>OrgSize</th>\n",
       "      <th>Currency</th>\n",
       "      <th>CompTotal</th>\n",
       "      <th>CompFreq</th>\n",
       "      <th>LanguageHaveWorkedWith</th>\n",
       "      <th>LanguageWantToWorkWith</th>\n",
       "      <th>DatabaseHaveWorkedWith</th>\n",
       "      <th>DatabaseWantToWorkWith</th>\n",
       "      <th>PlatformHaveWorkedWith</th>\n",
       "      <th>PlatformWantToWorkWith</th>\n",
       "      <th>WebframeHaveWorkedWith</th>\n",
       "      <th>WebframeWantToWorkWith</th>\n",
       "      <th>MiscTechHaveWorkedWith</th>\n",
       "      <th>MiscTechWantToWorkWith</th>\n",
       "      <th>ToolsTechHaveWorkedWith</th>\n",
       "      <th>ToolsTechWantToWorkWith</th>\n",
       "      <th>NEWCollabToolsHaveWorkedWith</th>\n",
       "      <th>NEWCollabToolsWantToWorkWith</th>\n",
       "      <th>OpSys</th>\n",
       "      <th>NEWStuck</th>\n",
       "      <th>NEWSOSites</th>\n",
       "      <th>SOVisitFreq</th>\n",
       "      <th>SOAccount</th>\n",
       "      <th>SOPartFreq</th>\n",
       "      <th>SOComm</th>\n",
       "      <th>NEWOtherComms</th>\n",
       "      <th>Age</th>\n",
       "      <th>Gender</th>\n",
       "      <th>Trans</th>\n",
       "      <th>Sexuality</th>\n",
       "      <th>Ethnicity</th>\n",
       "      <th>Accessibility</th>\n",
       "      <th>MentalHealth</th>\n",
       "      <th>SurveyLength</th>\n",
       "      <th>SurveyEase</th>\n",
       "      <th>ConvertedCompYearly</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>1</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Independent contractor, freelancer, or self-em...</td>\n",
       "      <td>Slovakia</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Secondary school (e.g. American high school, G...</td>\n",
       "      <td>18 - 24 years</td>\n",
       "      <td>Coding Bootcamp;Other online resources (ex: vi...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Developer, mobile</td>\n",
       "      <td>20 to 99 employees</td>\n",
       "      <td>EUR European Euro</td>\n",
       "      <td>4800.0</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>C++;HTML/CSS;JavaScript;Objective-C;PHP;Swift</td>\n",
       "      <td>Swift</td>\n",
       "      <td>PostgreSQL;SQLite</td>\n",
       "      <td>SQLite</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Laravel;Symfony</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>PHPStorm;Xcode</td>\n",
       "      <td>Atom;Xcode</td>\n",
       "      <td>MacOS</td>\n",
       "      <td>Call a coworker or friend;Visit Stack Overflow...</td>\n",
       "      <td>Stack Overflow</td>\n",
       "      <td>Multiple times per day</td>\n",
       "      <td>Yes</td>\n",
       "      <td>A few times per month or weekly</td>\n",
       "      <td>Yes, definitely</td>\n",
       "      <td>No</td>\n",
       "      <td>25-34 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Easy</td>\n",
       "      <td>62268.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>2</td>\n",
       "      <td>I am a student who is learning to code</td>\n",
       "      <td>Student, full-time</td>\n",
       "      <td>Netherlands</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Bachelor’s degree (B.A., B.S., B.Eng., etc.)</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>Other online resources (ex: videos, blogs, etc...</td>\n",
       "      <td>7</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>JavaScript;Python</td>\n",
       "      <td>NaN</td>\n",
       "      <td>PostgreSQL</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Angular;Flask;Vue.js</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Cordova</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Docker;Git;Yarn</td>\n",
       "      <td>Git</td>\n",
       "      <td>Android Studio;IntelliJ;Notepad++;PyCharm</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Windows</td>\n",
       "      <td>Visit Stack Overflow;Google it</td>\n",
       "      <td>Stack Overflow</td>\n",
       "      <td>Daily or almost daily</td>\n",
       "      <td>Yes</td>\n",
       "      <td>Daily or almost daily</td>\n",
       "      <td>Yes, definitely</td>\n",
       "      <td>No</td>\n",
       "      <td>18-24 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Easy</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>3</td>\n",
       "      <td>I am not primarily a developer, but I write co...</td>\n",
       "      <td>Student, full-time</td>\n",
       "      <td>Russian Federation</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Bachelor’s degree (B.A., B.S., B.Eng., etc.)</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>Other online resources (ex: videos, blogs, etc...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Assembly;C;Python;R;Rust</td>\n",
       "      <td>Julia;Python;Rust</td>\n",
       "      <td>SQLite</td>\n",
       "      <td>SQLite</td>\n",
       "      <td>Heroku</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Flask</td>\n",
       "      <td>Flask</td>\n",
       "      <td>NumPy;Pandas;TensorFlow;Torch/PyTorch</td>\n",
       "      <td>Keras;NumPy;Pandas;TensorFlow;Torch/PyTorch</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>IPython/Jupyter;PyCharm;RStudio;Sublime Text;V...</td>\n",
       "      <td>IPython/Jupyter;RStudio;Sublime Text;Visual St...</td>\n",
       "      <td>MacOS</td>\n",
       "      <td>Visit Stack Overflow;Google it;Watch help / tu...</td>\n",
       "      <td>Stack Overflow;Stack Exchange</td>\n",
       "      <td>Multiple times per day</td>\n",
       "      <td>Yes</td>\n",
       "      <td>Multiple times per day</td>\n",
       "      <td>Yes, definitely</td>\n",
       "      <td>Yes</td>\n",
       "      <td>18-24 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>Prefer not to say</td>\n",
       "      <td>Prefer not to say</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Easy</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>4</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>Austria</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Master’s degree (M.A., M.S., M.Eng., MBA, etc.)</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Developer, front-end</td>\n",
       "      <td>100 to 499 employees</td>\n",
       "      <td>EUR European Euro</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>JavaScript;TypeScript</td>\n",
       "      <td>JavaScript;TypeScript</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Angular;jQuery</td>\n",
       "      <td>Angular;jQuery</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Windows</td>\n",
       "      <td>Call a coworker or friend;Visit Stack Overflow...</td>\n",
       "      <td>Stack Overflow</td>\n",
       "      <td>Daily or almost daily</td>\n",
       "      <td>Yes</td>\n",
       "      <td>Daily or almost daily</td>\n",
       "      <td>Neutral</td>\n",
       "      <td>No</td>\n",
       "      <td>35-44 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>I am deaf / hard of hearing</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Neither easy nor difficult</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>5</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Independent contractor, freelancer, or self-em...</td>\n",
       "      <td>United Kingdom of Great Britain and Northern I...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>England</td>\n",
       "      <td>Master’s degree (M.A., M.S., M.Eng., MBA, etc.)</td>\n",
       "      <td>5 - 10 years</td>\n",
       "      <td>Friend or family member</td>\n",
       "      <td>17</td>\n",
       "      <td>10</td>\n",
       "      <td>Developer, desktop or enterprise applications;...</td>\n",
       "      <td>Just me - I am a freelancer, sole proprietor, ...</td>\n",
       "      <td>GBP\\tPound sterling</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Bash/Shell;HTML/CSS;Python;SQL</td>\n",
       "      <td>Bash/Shell;HTML/CSS;Python;SQL</td>\n",
       "      <td>Elasticsearch;PostgreSQL;Redis</td>\n",
       "      <td>Cassandra;Elasticsearch;PostgreSQL;Redis</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Flask</td>\n",
       "      <td>Flask</td>\n",
       "      <td>Apache Spark;Hadoop;NumPy;Pandas</td>\n",
       "      <td>Hadoop;NumPy;Pandas</td>\n",
       "      <td>Docker;Git;Kubernetes;Yarn</td>\n",
       "      <td>Docker;Git;Kubernetes;Yarn</td>\n",
       "      <td>Atom;IPython/Jupyter;Notepad++;PyCharm;Vim</td>\n",
       "      <td>Atom;IPython/Jupyter;Notepad++;PyCharm;Vim;Vis...</td>\n",
       "      <td>Linux-based</td>\n",
       "      <td>Visit Stack Overflow;Go for a walk or other ph...</td>\n",
       "      <td>Stack Overflow;Stack Exchange</td>\n",
       "      <td>Daily or almost daily</td>\n",
       "      <td>Yes</td>\n",
       "      <td>A few times per week</td>\n",
       "      <td>Yes, somewhat</td>\n",
       "      <td>No</td>\n",
       "      <td>25-34 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>NaN</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Easy</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>...</th>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>83434</th>\n",
       "      <td>83435</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>United States of America</td>\n",
       "      <td>Texas</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Bachelor’s degree (B.A., B.S., B.Eng., etc.)</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>Other online resources (ex: videos, blogs, etc...</td>\n",
       "      <td>6</td>\n",
       "      <td>5</td>\n",
       "      <td>Developer, back-end</td>\n",
       "      <td>20 to 99 employees</td>\n",
       "      <td>USD\\tUnited States dollar</td>\n",
       "      <td>160500.0</td>\n",
       "      <td>Yearly</td>\n",
       "      <td>Clojure;Kotlin;SQL</td>\n",
       "      <td>Clojure</td>\n",
       "      <td>Oracle;SQLite</td>\n",
       "      <td>SQLite</td>\n",
       "      <td>AWS</td>\n",
       "      <td>AWS</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Docker;Git</td>\n",
       "      <td>Git;Kubernetes</td>\n",
       "      <td>IntelliJ;Sublime Text;Vim;Visual Studio Code</td>\n",
       "      <td>Sublime Text;Vim</td>\n",
       "      <td>MacOS</td>\n",
       "      <td>Call a coworker or friend;Google it</td>\n",
       "      <td>Stack Overflow;Stack Exchange</td>\n",
       "      <td>A few times per week</td>\n",
       "      <td>No</td>\n",
       "      <td>NaN</td>\n",
       "      <td>No, not at all</td>\n",
       "      <td>No</td>\n",
       "      <td>25-34 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>I have a concentration and/or memory disorder ...</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Easy</td>\n",
       "      <td>160500.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>83435</th>\n",
       "      <td>83436</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Independent contractor, freelancer, or self-em...</td>\n",
       "      <td>Benin</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Bachelor’s degree (B.A., B.S., B.Eng., etc.)</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>Other online resources (ex: videos, blogs, etc...</td>\n",
       "      <td>4</td>\n",
       "      <td>2</td>\n",
       "      <td>Developer, full-stack</td>\n",
       "      <td>Just me - I am a freelancer, sole proprietor, ...</td>\n",
       "      <td>XOF\\tWest African CFA franc</td>\n",
       "      <td>200000.0</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Firebase;MariaDB;MySQL;PostgreSQL;Redis;SQLite</td>\n",
       "      <td>Firebase;MariaDB;MongoDB;MySQL;PostgreSQL;Redi...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Django;jQuery;Laravel;React.js;Ruby on Rails</td>\n",
       "      <td>Django;Express;jQuery;Laravel;React.js;Ruby on...</td>\n",
       "      <td>Flutter;Qt</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Git;Unity 3D;Unreal Engine</td>\n",
       "      <td>Docker;Git;Kubernetes</td>\n",
       "      <td>Android Studio;Eclipse;Emacs;IntelliJ;NetBeans...</td>\n",
       "      <td>Emacs;IntelliJ;PHPStorm;PyCharm;RStudio;Sublim...</td>\n",
       "      <td>Linux-based</td>\n",
       "      <td>Call a coworker or friend;Visit Stack Overflow...</td>\n",
       "      <td>Stack Overflow;Stack Exchange</td>\n",
       "      <td>Multiple times per day</td>\n",
       "      <td>Yes</td>\n",
       "      <td>I have never participated in Q&amp;A on Stack Over...</td>\n",
       "      <td>Yes, somewhat</td>\n",
       "      <td>No</td>\n",
       "      <td>18-24 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>Black or of African descent</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Easy</td>\n",
       "      <td>3960.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>83436</th>\n",
       "      <td>83437</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>United States of America</td>\n",
       "      <td>New Jersey</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Secondary school (e.g. American high school, G...</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>School</td>\n",
       "      <td>10</td>\n",
       "      <td>4</td>\n",
       "      <td>Data scientist or machine learning specialist;...</td>\n",
       "      <td>10,000 or more employees</td>\n",
       "      <td>USD\\tUnited States dollar</td>\n",
       "      <td>1800.0</td>\n",
       "      <td>Weekly</td>\n",
       "      <td>Groovy;Java;Python</td>\n",
       "      <td>Java;Python</td>\n",
       "      <td>DynamoDB;Elasticsearch;MongoDB;PostgreSQL;Redis</td>\n",
       "      <td>DynamoDB;Redis</td>\n",
       "      <td>AWS;Google Cloud Platform</td>\n",
       "      <td>AWS</td>\n",
       "      <td>FastAPI;Flask</td>\n",
       "      <td>FastAPI;Flask</td>\n",
       "      <td>Hadoop;Keras;NumPy;Pandas</td>\n",
       "      <td>Apache Spark;Hadoop;Keras;NumPy;Pandas;TensorFlow</td>\n",
       "      <td>Ansible;Docker;Git;Terraform</td>\n",
       "      <td>Docker;Git;Kubernetes;Terraform</td>\n",
       "      <td>Android Studio;Eclipse;IntelliJ;IPython/Jupyte...</td>\n",
       "      <td>IntelliJ;IPython/Jupyter;Notepad++;Vim</td>\n",
       "      <td>Windows</td>\n",
       "      <td>Call a coworker or friend;Visit Stack Overflow...</td>\n",
       "      <td>Stack Overflow;Stack Exchange</td>\n",
       "      <td>A few times per week</td>\n",
       "      <td>Yes</td>\n",
       "      <td>I have never participated in Q&amp;A on Stack Over...</td>\n",
       "      <td>No, not really</td>\n",
       "      <td>No</td>\n",
       "      <td>25-34 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>NaN</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Neither easy nor difficult</td>\n",
       "      <td>90000.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>83437</th>\n",
       "      <td>83438</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>Canada</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Bachelor’s degree (B.A., B.S., B.Eng., etc.)</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>Online Courses or Certification;Books / Physic...</td>\n",
       "      <td>5</td>\n",
       "      <td>3</td>\n",
       "      <td>Developer, back-end</td>\n",
       "      <td>20 to 99 employees</td>\n",
       "      <td>CAD\\tCanadian dollar</td>\n",
       "      <td>90000.0</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>Bash/Shell;JavaScript;Node.js;Python</td>\n",
       "      <td>Go;Rust</td>\n",
       "      <td>Cassandra;Elasticsearch;MongoDB;PostgreSQL;Redis</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Heroku</td>\n",
       "      <td>AWS;DigitalOcean</td>\n",
       "      <td>Django;Express;Flask;React.js</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NumPy;Pandas;TensorFlow;Torch/PyTorch</td>\n",
       "      <td>NumPy;Pandas;TensorFlow;Torch/PyTorch</td>\n",
       "      <td>Ansible;Docker;Git;Terraform</td>\n",
       "      <td>Kubernetes;Terraform</td>\n",
       "      <td>PyCharm;Sublime Text</td>\n",
       "      <td>NaN</td>\n",
       "      <td>MacOS</td>\n",
       "      <td>Call a coworker or friend;Visit Stack Overflow...</td>\n",
       "      <td>Stack Overflow</td>\n",
       "      <td>A few times per month or weekly</td>\n",
       "      <td>Yes</td>\n",
       "      <td>Less than once per month or monthly</td>\n",
       "      <td>No, not really</td>\n",
       "      <td>No</td>\n",
       "      <td>25-34 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>I have a mood or emotional disorder (e.g. depr...</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Neither easy nor difficult</td>\n",
       "      <td>816816.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>83438</th>\n",
       "      <td>83439</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>Brazil</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Professional degree (JD, MD, etc.)</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>School</td>\n",
       "      <td>14</td>\n",
       "      <td>4</td>\n",
       "      <td>Developer, front-end;Developer, full-stack;Dev...</td>\n",
       "      <td>I don’t know</td>\n",
       "      <td>BRL\\tBrazilian real</td>\n",
       "      <td>7700.0</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>Delphi;Elixir;HTML/CSS;Java;JavaScript</td>\n",
       "      <td>Elixir;HTML/CSS;Java;JavaScript;Node.js;PHP;SQ...</td>\n",
       "      <td>Oracle;PostgreSQL</td>\n",
       "      <td>Elasticsearch;MongoDB;MySQL;Oracle;PostgreSQL;...</td>\n",
       "      <td>Microsoft Azure</td>\n",
       "      <td>AWS</td>\n",
       "      <td>Angular;Spring</td>\n",
       "      <td>Express;Laravel;Spring;Symfony</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Docker;Git</td>\n",
       "      <td>Docker;Git;Kubernetes</td>\n",
       "      <td>IntelliJ;Visual Studio Code</td>\n",
       "      <td>IntelliJ;PHPStorm;Visual Studio Code</td>\n",
       "      <td>Linux-based</td>\n",
       "      <td>Call a coworker or friend;Visit Stack Overflow...</td>\n",
       "      <td>Stack Overflow;Stack Exchange;Stack Overflow f...</td>\n",
       "      <td>A few times per week</td>\n",
       "      <td>Yes</td>\n",
       "      <td>A few times per week</td>\n",
       "      <td>Yes, somewhat</td>\n",
       "      <td>No</td>\n",
       "      <td>18-24 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>Hispanic or Latino/a/x</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Easy</td>\n",
       "      <td>21168.0</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "<p>83439 rows × 48 columns</p>\n",
       "</div>"
      ],
      "text/plain": [
       "       ResponseId                                         MainBranch  \\\n",
       "0               1                     I am a developer by profession   \n",
       "1               2             I am a student who is learning to code   \n",
       "2               3  I am not primarily a developer, but I write co...   \n",
       "3               4                     I am a developer by profession   \n",
       "4               5                     I am a developer by profession   \n",
       "...           ...                                                ...   \n",
       "83434       83435                     I am a developer by profession   \n",
       "83435       83436                     I am a developer by profession   \n",
       "83436       83437                     I am a developer by profession   \n",
       "83437       83438                     I am a developer by profession   \n",
       "83438       83439                     I am a developer by profession   \n",
       "\n",
       "                                              Employment  \\\n",
       "0      Independent contractor, freelancer, or self-em...   \n",
       "1                                     Student, full-time   \n",
       "2                                     Student, full-time   \n",
       "3                                     Employed full-time   \n",
       "4      Independent contractor, freelancer, or self-em...   \n",
       "...                                                  ...   \n",
       "83434                                 Employed full-time   \n",
       "83435  Independent contractor, freelancer, or self-em...   \n",
       "83436                                 Employed full-time   \n",
       "83437                                 Employed full-time   \n",
       "83438                                 Employed full-time   \n",
       "\n",
       "                                                 Country    US_State  \\\n",
       "0                                               Slovakia         NaN   \n",
       "1                                            Netherlands         NaN   \n",
       "2                                     Russian Federation         NaN   \n",
       "3                                                Austria         NaN   \n",
       "4      United Kingdom of Great Britain and Northern I...         NaN   \n",
       "...                                                  ...         ...   \n",
       "83434                           United States of America       Texas   \n",
       "83435                                              Benin         NaN   \n",
       "83436                           United States of America  New Jersey   \n",
       "83437                                             Canada         NaN   \n",
       "83438                                             Brazil         NaN   \n",
       "\n",
       "      UK_Country                                            EdLevel  \\\n",
       "0            NaN  Secondary school (e.g. American high school, G...   \n",
       "1            NaN       Bachelor’s degree (B.A., B.S., B.Eng., etc.)   \n",
       "2            NaN       Bachelor’s degree (B.A., B.S., B.Eng., etc.)   \n",
       "3            NaN    Master’s degree (M.A., M.S., M.Eng., MBA, etc.)   \n",
       "4        England    Master’s degree (M.A., M.S., M.Eng., MBA, etc.)   \n",
       "...          ...                                                ...   \n",
       "83434        NaN       Bachelor’s degree (B.A., B.S., B.Eng., etc.)   \n",
       "83435        NaN       Bachelor’s degree (B.A., B.S., B.Eng., etc.)   \n",
       "83436        NaN  Secondary school (e.g. American high school, G...   \n",
       "83437        NaN       Bachelor’s degree (B.A., B.S., B.Eng., etc.)   \n",
       "83438        NaN                 Professional degree (JD, MD, etc.)   \n",
       "\n",
       "          Age1stCode                                          LearnCode  \\\n",
       "0      18 - 24 years  Coding Bootcamp;Other online resources (ex: vi...   \n",
       "1      11 - 17 years  Other online resources (ex: videos, blogs, etc...   \n",
       "2      11 - 17 years  Other online resources (ex: videos, blogs, etc...   \n",
       "3      11 - 17 years                                                NaN   \n",
       "4       5 - 10 years                            Friend or family member   \n",
       "...              ...                                                ...   \n",
       "83434  11 - 17 years  Other online resources (ex: videos, blogs, etc...   \n",
       "83435  11 - 17 years  Other online resources (ex: videos, blogs, etc...   \n",
       "83436  11 - 17 years                                             School   \n",
       "83437  11 - 17 years  Online Courses or Certification;Books / Physic...   \n",
       "83438  11 - 17 years                                             School   \n",
       "\n",
       "      YearsCode YearsCodePro  \\\n",
       "0           NaN          NaN   \n",
       "1             7          NaN   \n",
       "2           NaN          NaN   \n",
       "3           NaN          NaN   \n",
       "4            17           10   \n",
       "...         ...          ...   \n",
       "83434         6            5   \n",
       "83435         4            2   \n",
       "83436        10            4   \n",
       "83437         5            3   \n",
       "83438        14            4   \n",
       "\n",
       "                                                 DevType  \\\n",
       "0                                      Developer, mobile   \n",
       "1                                                    NaN   \n",
       "2                                                    NaN   \n",
       "3                                   Developer, front-end   \n",
       "4      Developer, desktop or enterprise applications;...   \n",
       "...                                                  ...   \n",
       "83434                                Developer, back-end   \n",
       "83435                              Developer, full-stack   \n",
       "83436  Data scientist or machine learning specialist;...   \n",
       "83437                                Developer, back-end   \n",
       "83438  Developer, front-end;Developer, full-stack;Dev...   \n",
       "\n",
       "                                                 OrgSize  \\\n",
       "0                                     20 to 99 employees   \n",
       "1                                                    NaN   \n",
       "2                                                    NaN   \n",
       "3                                   100 to 499 employees   \n",
       "4      Just me - I am a freelancer, sole proprietor, ...   \n",
       "...                                                  ...   \n",
       "83434                                 20 to 99 employees   \n",
       "83435  Just me - I am a freelancer, sole proprietor, ...   \n",
       "83436                           10,000 or more employees   \n",
       "83437                                 20 to 99 employees   \n",
       "83438                                       I don’t know   \n",
       "\n",
       "                          Currency  CompTotal CompFreq  \\\n",
       "0                EUR European Euro     4800.0  Monthly   \n",
       "1                              NaN        NaN      NaN   \n",
       "2                              NaN        NaN      NaN   \n",
       "3                EUR European Euro        NaN  Monthly   \n",
       "4              GBP\\tPound sterling        NaN      NaN   \n",
       "...                            ...        ...      ...   \n",
       "83434    USD\\tUnited States dollar   160500.0   Yearly   \n",
       "83435  XOF\\tWest African CFA franc   200000.0  Monthly   \n",
       "83436    USD\\tUnited States dollar     1800.0   Weekly   \n",
       "83437         CAD\\tCanadian dollar    90000.0  Monthly   \n",
       "83438          BRL\\tBrazilian real     7700.0  Monthly   \n",
       "\n",
       "                              LanguageHaveWorkedWith  \\\n",
       "0      C++;HTML/CSS;JavaScript;Objective-C;PHP;Swift   \n",
       "1                                  JavaScript;Python   \n",
       "2                           Assembly;C;Python;R;Rust   \n",
       "3                              JavaScript;TypeScript   \n",
       "4                     Bash/Shell;HTML/CSS;Python;SQL   \n",
       "...                                              ...   \n",
       "83434                             Clojure;Kotlin;SQL   \n",
       "83435                                            NaN   \n",
       "83436                             Groovy;Java;Python   \n",
       "83437           Bash/Shell;JavaScript;Node.js;Python   \n",
       "83438         Delphi;Elixir;HTML/CSS;Java;JavaScript   \n",
       "\n",
       "                                  LanguageWantToWorkWith  \\\n",
       "0                                                  Swift   \n",
       "1                                                    NaN   \n",
       "2                                      Julia;Python;Rust   \n",
       "3                                  JavaScript;TypeScript   \n",
       "4                         Bash/Shell;HTML/CSS;Python;SQL   \n",
       "...                                                  ...   \n",
       "83434                                            Clojure   \n",
       "83435                                                NaN   \n",
       "83436                                        Java;Python   \n",
       "83437                                            Go;Rust   \n",
       "83438  Elixir;HTML/CSS;Java;JavaScript;Node.js;PHP;SQ...   \n",
       "\n",
       "                                 DatabaseHaveWorkedWith  \\\n",
       "0                                     PostgreSQL;SQLite   \n",
       "1                                            PostgreSQL   \n",
       "2                                                SQLite   \n",
       "3                                                   NaN   \n",
       "4                        Elasticsearch;PostgreSQL;Redis   \n",
       "...                                                 ...   \n",
       "83434                                     Oracle;SQLite   \n",
       "83435    Firebase;MariaDB;MySQL;PostgreSQL;Redis;SQLite   \n",
       "83436   DynamoDB;Elasticsearch;MongoDB;PostgreSQL;Redis   \n",
       "83437  Cassandra;Elasticsearch;MongoDB;PostgreSQL;Redis   \n",
       "83438                                 Oracle;PostgreSQL   \n",
       "\n",
       "                                  DatabaseWantToWorkWith  \\\n",
       "0                                                 SQLite   \n",
       "1                                                    NaN   \n",
       "2                                                 SQLite   \n",
       "3                                                    NaN   \n",
       "4               Cassandra;Elasticsearch;PostgreSQL;Redis   \n",
       "...                                                  ...   \n",
       "83434                                             SQLite   \n",
       "83435  Firebase;MariaDB;MongoDB;MySQL;PostgreSQL;Redi...   \n",
       "83436                                     DynamoDB;Redis   \n",
       "83437                                                NaN   \n",
       "83438  Elasticsearch;MongoDB;MySQL;Oracle;PostgreSQL;...   \n",
       "\n",
       "          PlatformHaveWorkedWith PlatformWantToWorkWith  \\\n",
       "0                            NaN                    NaN   \n",
       "1                            NaN                    NaN   \n",
       "2                         Heroku                    NaN   \n",
       "3                            NaN                    NaN   \n",
       "4                            NaN                    NaN   \n",
       "...                          ...                    ...   \n",
       "83434                        AWS                    AWS   \n",
       "83435                        NaN                    NaN   \n",
       "83436  AWS;Google Cloud Platform                    AWS   \n",
       "83437                     Heroku       AWS;DigitalOcean   \n",
       "83438            Microsoft Azure                    AWS   \n",
       "\n",
       "                             WebframeHaveWorkedWith  \\\n",
       "0                                   Laravel;Symfony   \n",
       "1                              Angular;Flask;Vue.js   \n",
       "2                                             Flask   \n",
       "3                                    Angular;jQuery   \n",
       "4                                             Flask   \n",
       "...                                             ...   \n",
       "83434                                           NaN   \n",
       "83435  Django;jQuery;Laravel;React.js;Ruby on Rails   \n",
       "83436                                 FastAPI;Flask   \n",
       "83437                 Django;Express;Flask;React.js   \n",
       "83438                                Angular;Spring   \n",
       "\n",
       "                                  WebframeWantToWorkWith  \\\n",
       "0                                                    NaN   \n",
       "1                                                    NaN   \n",
       "2                                                  Flask   \n",
       "3                                         Angular;jQuery   \n",
       "4                                                  Flask   \n",
       "...                                                  ...   \n",
       "83434                                                NaN   \n",
       "83435  Django;Express;jQuery;Laravel;React.js;Ruby on...   \n",
       "83436                                      FastAPI;Flask   \n",
       "83437                                                NaN   \n",
       "83438                     Express;Laravel;Spring;Symfony   \n",
       "\n",
       "                      MiscTechHaveWorkedWith  \\\n",
       "0                                        NaN   \n",
       "1                                    Cordova   \n",
       "2      NumPy;Pandas;TensorFlow;Torch/PyTorch   \n",
       "3                                        NaN   \n",
       "4           Apache Spark;Hadoop;NumPy;Pandas   \n",
       "...                                      ...   \n",
       "83434                                    NaN   \n",
       "83435                             Flutter;Qt   \n",
       "83436              Hadoop;Keras;NumPy;Pandas   \n",
       "83437  NumPy;Pandas;TensorFlow;Torch/PyTorch   \n",
       "83438                                    NaN   \n",
       "\n",
       "                                  MiscTechWantToWorkWith  \\\n",
       "0                                                    NaN   \n",
       "1                                                    NaN   \n",
       "2            Keras;NumPy;Pandas;TensorFlow;Torch/PyTorch   \n",
       "3                                                    NaN   \n",
       "4                                    Hadoop;NumPy;Pandas   \n",
       "...                                                  ...   \n",
       "83434                                                NaN   \n",
       "83435                                                NaN   \n",
       "83436  Apache Spark;Hadoop;Keras;NumPy;Pandas;TensorFlow   \n",
       "83437              NumPy;Pandas;TensorFlow;Torch/PyTorch   \n",
       "83438                                                NaN   \n",
       "\n",
       "            ToolsTechHaveWorkedWith          ToolsTechWantToWorkWith  \\\n",
       "0                               NaN                              NaN   \n",
       "1                   Docker;Git;Yarn                              Git   \n",
       "2                               NaN                              NaN   \n",
       "3                               NaN                              NaN   \n",
       "4        Docker;Git;Kubernetes;Yarn       Docker;Git;Kubernetes;Yarn   \n",
       "...                             ...                              ...   \n",
       "83434                    Docker;Git                   Git;Kubernetes   \n",
       "83435    Git;Unity 3D;Unreal Engine            Docker;Git;Kubernetes   \n",
       "83436  Ansible;Docker;Git;Terraform  Docker;Git;Kubernetes;Terraform   \n",
       "83437  Ansible;Docker;Git;Terraform             Kubernetes;Terraform   \n",
       "83438                    Docker;Git            Docker;Git;Kubernetes   \n",
       "\n",
       "                            NEWCollabToolsHaveWorkedWith  \\\n",
       "0                                         PHPStorm;Xcode   \n",
       "1              Android Studio;IntelliJ;Notepad++;PyCharm   \n",
       "2      IPython/Jupyter;PyCharm;RStudio;Sublime Text;V...   \n",
       "3                                                    NaN   \n",
       "4             Atom;IPython/Jupyter;Notepad++;PyCharm;Vim   \n",
       "...                                                  ...   \n",
       "83434       IntelliJ;Sublime Text;Vim;Visual Studio Code   \n",
       "83435  Android Studio;Eclipse;Emacs;IntelliJ;NetBeans...   \n",
       "83436  Android Studio;Eclipse;IntelliJ;IPython/Jupyte...   \n",
       "83437                               PyCharm;Sublime Text   \n",
       "83438                        IntelliJ;Visual Studio Code   \n",
       "\n",
       "                            NEWCollabToolsWantToWorkWith        OpSys  \\\n",
       "0                                             Atom;Xcode        MacOS   \n",
       "1                                                    NaN      Windows   \n",
       "2      IPython/Jupyter;RStudio;Sublime Text;Visual St...        MacOS   \n",
       "3                                                    NaN      Windows   \n",
       "4      Atom;IPython/Jupyter;Notepad++;PyCharm;Vim;Vis...  Linux-based   \n",
       "...                                                  ...          ...   \n",
       "83434                                   Sublime Text;Vim        MacOS   \n",
       "83435  Emacs;IntelliJ;PHPStorm;PyCharm;RStudio;Sublim...  Linux-based   \n",
       "83436             IntelliJ;IPython/Jupyter;Notepad++;Vim      Windows   \n",
       "83437                                                NaN        MacOS   \n",
       "83438               IntelliJ;PHPStorm;Visual Studio Code  Linux-based   \n",
       "\n",
       "                                                NEWStuck  \\\n",
       "0      Call a coworker or friend;Visit Stack Overflow...   \n",
       "1                         Visit Stack Overflow;Google it   \n",
       "2      Visit Stack Overflow;Google it;Watch help / tu...   \n",
       "3      Call a coworker or friend;Visit Stack Overflow...   \n",
       "4      Visit Stack Overflow;Go for a walk or other ph...   \n",
       "...                                                  ...   \n",
       "83434                Call a coworker or friend;Google it   \n",
       "83435  Call a coworker or friend;Visit Stack Overflow...   \n",
       "83436  Call a coworker or friend;Visit Stack Overflow...   \n",
       "83437  Call a coworker or friend;Visit Stack Overflow...   \n",
       "83438  Call a coworker or friend;Visit Stack Overflow...   \n",
       "\n",
       "                                              NEWSOSites  \\\n",
       "0                                         Stack Overflow   \n",
       "1                                         Stack Overflow   \n",
       "2                          Stack Overflow;Stack Exchange   \n",
       "3                                         Stack Overflow   \n",
       "4                          Stack Overflow;Stack Exchange   \n",
       "...                                                  ...   \n",
       "83434                      Stack Overflow;Stack Exchange   \n",
       "83435                      Stack Overflow;Stack Exchange   \n",
       "83436                      Stack Overflow;Stack Exchange   \n",
       "83437                                     Stack Overflow   \n",
       "83438  Stack Overflow;Stack Exchange;Stack Overflow f...   \n",
       "\n",
       "                           SOVisitFreq SOAccount  \\\n",
       "0               Multiple times per day       Yes   \n",
       "1                Daily or almost daily       Yes   \n",
       "2               Multiple times per day       Yes   \n",
       "3                Daily or almost daily       Yes   \n",
       "4                Daily or almost daily       Yes   \n",
       "...                                ...       ...   \n",
       "83434             A few times per week        No   \n",
       "83435           Multiple times per day       Yes   \n",
       "83436             A few times per week       Yes   \n",
       "83437  A few times per month or weekly       Yes   \n",
       "83438             A few times per week       Yes   \n",
       "\n",
       "                                              SOPartFreq           SOComm  \\\n",
       "0                        A few times per month or weekly  Yes, definitely   \n",
       "1                                  Daily or almost daily  Yes, definitely   \n",
       "2                                 Multiple times per day  Yes, definitely   \n",
       "3                                  Daily or almost daily          Neutral   \n",
       "4                                   A few times per week    Yes, somewhat   \n",
       "...                                                  ...              ...   \n",
       "83434                                                NaN   No, not at all   \n",
       "83435  I have never participated in Q&A on Stack Over...    Yes, somewhat   \n",
       "83436  I have never participated in Q&A on Stack Over...   No, not really   \n",
       "83437                Less than once per month or monthly   No, not really   \n",
       "83438                               A few times per week    Yes, somewhat   \n",
       "\n",
       "      NEWOtherComms              Age Gender Trans                Sexuality  \\\n",
       "0                No  25-34 years old    Man    No  Straight / Heterosexual   \n",
       "1                No  18-24 years old    Man    No  Straight / Heterosexual   \n",
       "2               Yes  18-24 years old    Man    No        Prefer not to say   \n",
       "3                No  35-44 years old    Man    No  Straight / Heterosexual   \n",
       "4                No  25-34 years old    Man    No                      NaN   \n",
       "...             ...              ...    ...   ...                      ...   \n",
       "83434            No  25-34 years old    Man    No  Straight / Heterosexual   \n",
       "83435            No  18-24 years old    Man    No  Straight / Heterosexual   \n",
       "83436            No  25-34 years old    Man    No                      NaN   \n",
       "83437            No  25-34 years old    Man    No  Straight / Heterosexual   \n",
       "83438            No  18-24 years old    Man    No  Straight / Heterosexual   \n",
       "\n",
       "                          Ethnicity                Accessibility  \\\n",
       "0      White or of European descent            None of the above   \n",
       "1      White or of European descent            None of the above   \n",
       "2                 Prefer not to say            None of the above   \n",
       "3      White or of European descent  I am deaf / hard of hearing   \n",
       "4      White or of European descent            None of the above   \n",
       "...                             ...                          ...   \n",
       "83434  White or of European descent            None of the above   \n",
       "83435   Black or of African descent            None of the above   \n",
       "83436  White or of European descent            None of the above   \n",
       "83437  White or of European descent            None of the above   \n",
       "83438        Hispanic or Latino/a/x            None of the above   \n",
       "\n",
       "                                            MentalHealth  \\\n",
       "0                                      None of the above   \n",
       "1                                      None of the above   \n",
       "2                                      None of the above   \n",
       "3                                                    NaN   \n",
       "4                                                    NaN   \n",
       "...                                                  ...   \n",
       "83434  I have a concentration and/or memory disorder ...   \n",
       "83435                                  None of the above   \n",
       "83436                                  None of the above   \n",
       "83437  I have a mood or emotional disorder (e.g. depr...   \n",
       "83438                                  None of the above   \n",
       "\n",
       "                SurveyLength                  SurveyEase  ConvertedCompYearly  \n",
       "0      Appropriate in length                        Easy              62268.0  \n",
       "1      Appropriate in length                        Easy                  NaN  \n",
       "2      Appropriate in length                        Easy                  NaN  \n",
       "3      Appropriate in length  Neither easy nor difficult                  NaN  \n",
       "4      Appropriate in length                        Easy                  NaN  \n",
       "...                      ...                         ...                  ...  \n",
       "83434  Appropriate in length                        Easy             160500.0  \n",
       "83435  Appropriate in length                        Easy               3960.0  \n",
       "83436  Appropriate in length  Neither easy nor difficult              90000.0  \n",
       "83437  Appropriate in length  Neither easy nor difficult             816816.0  \n",
       "83438  Appropriate in length                        Easy              21168.0  \n",
       "\n",
       "[83439 rows x 48 columns]"
      ]
     },
     "execution_count": 10,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "answers"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "3ff54dea",
   "metadata": {},
   "source": [
    "### Para visualizar as 5 primeiras linhas do DataFrame"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 11,
   "id": "3f9d2515",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>ResponseId</th>\n",
       "      <th>MainBranch</th>\n",
       "      <th>Employment</th>\n",
       "      <th>Country</th>\n",
       "      <th>US_State</th>\n",
       "      <th>UK_Country</th>\n",
       "      <th>EdLevel</th>\n",
       "      <th>Age1stCode</th>\n",
       "      <th>LearnCode</th>\n",
       "      <th>YearsCode</th>\n",
       "      <th>YearsCodePro</th>\n",
       "      <th>DevType</th>\n",
       "      <th>OrgSize</th>\n",
       "      <th>Currency</th>\n",
       "      <th>CompTotal</th>\n",
       "      <th>CompFreq</th>\n",
       "      <th>LanguageHaveWorkedWith</th>\n",
       "      <th>LanguageWantToWorkWith</th>\n",
       "      <th>DatabaseHaveWorkedWith</th>\n",
       "      <th>DatabaseWantToWorkWith</th>\n",
       "      <th>PlatformHaveWorkedWith</th>\n",
       "      <th>PlatformWantToWorkWith</th>\n",
       "      <th>WebframeHaveWorkedWith</th>\n",
       "      <th>WebframeWantToWorkWith</th>\n",
       "      <th>MiscTechHaveWorkedWith</th>\n",
       "      <th>MiscTechWantToWorkWith</th>\n",
       "      <th>ToolsTechHaveWorkedWith</th>\n",
       "      <th>ToolsTechWantToWorkWith</th>\n",
       "      <th>NEWCollabToolsHaveWorkedWith</th>\n",
       "      <th>NEWCollabToolsWantToWorkWith</th>\n",
       "      <th>OpSys</th>\n",
       "      <th>NEWStuck</th>\n",
       "      <th>NEWSOSites</th>\n",
       "      <th>SOVisitFreq</th>\n",
       "      <th>SOAccount</th>\n",
       "      <th>SOPartFreq</th>\n",
       "      <th>SOComm</th>\n",
       "      <th>NEWOtherComms</th>\n",
       "      <th>Age</th>\n",
       "      <th>Gender</th>\n",
       "      <th>Trans</th>\n",
       "      <th>Sexuality</th>\n",
       "      <th>Ethnicity</th>\n",
       "      <th>Accessibility</th>\n",
       "      <th>MentalHealth</th>\n",
       "      <th>SurveyLength</th>\n",
       "      <th>SurveyEase</th>\n",
       "      <th>ConvertedCompYearly</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>1</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Independent contractor, freelancer, or self-em...</td>\n",
       "      <td>Slovakia</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Secondary school (e.g. American high school, G...</td>\n",
       "      <td>18 - 24 years</td>\n",
       "      <td>Coding Bootcamp;Other online resources (ex: vi...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Developer, mobile</td>\n",
       "      <td>20 to 99 employees</td>\n",
       "      <td>EUR European Euro</td>\n",
       "      <td>4800.0</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>C++;HTML/CSS;JavaScript;Objective-C;PHP;Swift</td>\n",
       "      <td>Swift</td>\n",
       "      <td>PostgreSQL;SQLite</td>\n",
       "      <td>SQLite</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Laravel;Symfony</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>PHPStorm;Xcode</td>\n",
       "      <td>Atom;Xcode</td>\n",
       "      <td>MacOS</td>\n",
       "      <td>Call a coworker or friend;Visit Stack Overflow...</td>\n",
       "      <td>Stack Overflow</td>\n",
       "      <td>Multiple times per day</td>\n",
       "      <td>Yes</td>\n",
       "      <td>A few times per month or weekly</td>\n",
       "      <td>Yes, definitely</td>\n",
       "      <td>No</td>\n",
       "      <td>25-34 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Easy</td>\n",
       "      <td>62268.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>2</td>\n",
       "      <td>I am a student who is learning to code</td>\n",
       "      <td>Student, full-time</td>\n",
       "      <td>Netherlands</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Bachelor’s degree (B.A., B.S., B.Eng., etc.)</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>Other online resources (ex: videos, blogs, etc...</td>\n",
       "      <td>7</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>JavaScript;Python</td>\n",
       "      <td>NaN</td>\n",
       "      <td>PostgreSQL</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Angular;Flask;Vue.js</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Cordova</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Docker;Git;Yarn</td>\n",
       "      <td>Git</td>\n",
       "      <td>Android Studio;IntelliJ;Notepad++;PyCharm</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Windows</td>\n",
       "      <td>Visit Stack Overflow;Google it</td>\n",
       "      <td>Stack Overflow</td>\n",
       "      <td>Daily or almost daily</td>\n",
       "      <td>Yes</td>\n",
       "      <td>Daily or almost daily</td>\n",
       "      <td>Yes, definitely</td>\n",
       "      <td>No</td>\n",
       "      <td>18-24 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Easy</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>3</td>\n",
       "      <td>I am not primarily a developer, but I write co...</td>\n",
       "      <td>Student, full-time</td>\n",
       "      <td>Russian Federation</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Bachelor’s degree (B.A., B.S., B.Eng., etc.)</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>Other online resources (ex: videos, blogs, etc...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Assembly;C;Python;R;Rust</td>\n",
       "      <td>Julia;Python;Rust</td>\n",
       "      <td>SQLite</td>\n",
       "      <td>SQLite</td>\n",
       "      <td>Heroku</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Flask</td>\n",
       "      <td>Flask</td>\n",
       "      <td>NumPy;Pandas;TensorFlow;Torch/PyTorch</td>\n",
       "      <td>Keras;NumPy;Pandas;TensorFlow;Torch/PyTorch</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>IPython/Jupyter;PyCharm;RStudio;Sublime Text;V...</td>\n",
       "      <td>IPython/Jupyter;RStudio;Sublime Text;Visual St...</td>\n",
       "      <td>MacOS</td>\n",
       "      <td>Visit Stack Overflow;Google it;Watch help / tu...</td>\n",
       "      <td>Stack Overflow;Stack Exchange</td>\n",
       "      <td>Multiple times per day</td>\n",
       "      <td>Yes</td>\n",
       "      <td>Multiple times per day</td>\n",
       "      <td>Yes, definitely</td>\n",
       "      <td>Yes</td>\n",
       "      <td>18-24 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>Prefer not to say</td>\n",
       "      <td>Prefer not to say</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Easy</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>4</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>Austria</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Master’s degree (M.A., M.S., M.Eng., MBA, etc.)</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Developer, front-end</td>\n",
       "      <td>100 to 499 employees</td>\n",
       "      <td>EUR European Euro</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>JavaScript;TypeScript</td>\n",
       "      <td>JavaScript;TypeScript</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Angular;jQuery</td>\n",
       "      <td>Angular;jQuery</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Windows</td>\n",
       "      <td>Call a coworker or friend;Visit Stack Overflow...</td>\n",
       "      <td>Stack Overflow</td>\n",
       "      <td>Daily or almost daily</td>\n",
       "      <td>Yes</td>\n",
       "      <td>Daily or almost daily</td>\n",
       "      <td>Neutral</td>\n",
       "      <td>No</td>\n",
       "      <td>35-44 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>I am deaf / hard of hearing</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Neither easy nor difficult</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>5</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Independent contractor, freelancer, or self-em...</td>\n",
       "      <td>United Kingdom of Great Britain and Northern I...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>England</td>\n",
       "      <td>Master’s degree (M.A., M.S., M.Eng., MBA, etc.)</td>\n",
       "      <td>5 - 10 years</td>\n",
       "      <td>Friend or family member</td>\n",
       "      <td>17</td>\n",
       "      <td>10</td>\n",
       "      <td>Developer, desktop or enterprise applications;...</td>\n",
       "      <td>Just me - I am a freelancer, sole proprietor, ...</td>\n",
       "      <td>GBP\\tPound sterling</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Bash/Shell;HTML/CSS;Python;SQL</td>\n",
       "      <td>Bash/Shell;HTML/CSS;Python;SQL</td>\n",
       "      <td>Elasticsearch;PostgreSQL;Redis</td>\n",
       "      <td>Cassandra;Elasticsearch;PostgreSQL;Redis</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Flask</td>\n",
       "      <td>Flask</td>\n",
       "      <td>Apache Spark;Hadoop;NumPy;Pandas</td>\n",
       "      <td>Hadoop;NumPy;Pandas</td>\n",
       "      <td>Docker;Git;Kubernetes;Yarn</td>\n",
       "      <td>Docker;Git;Kubernetes;Yarn</td>\n",
       "      <td>Atom;IPython/Jupyter;Notepad++;PyCharm;Vim</td>\n",
       "      <td>Atom;IPython/Jupyter;Notepad++;PyCharm;Vim;Vis...</td>\n",
       "      <td>Linux-based</td>\n",
       "      <td>Visit Stack Overflow;Go for a walk or other ph...</td>\n",
       "      <td>Stack Overflow;Stack Exchange</td>\n",
       "      <td>Daily or almost daily</td>\n",
       "      <td>Yes</td>\n",
       "      <td>A few times per week</td>\n",
       "      <td>Yes, somewhat</td>\n",
       "      <td>No</td>\n",
       "      <td>25-34 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>NaN</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Easy</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "   ResponseId                                         MainBranch  \\\n",
       "0           1                     I am a developer by profession   \n",
       "1           2             I am a student who is learning to code   \n",
       "2           3  I am not primarily a developer, but I write co...   \n",
       "3           4                     I am a developer by profession   \n",
       "4           5                     I am a developer by profession   \n",
       "\n",
       "                                          Employment  \\\n",
       "0  Independent contractor, freelancer, or self-em...   \n",
       "1                                 Student, full-time   \n",
       "2                                 Student, full-time   \n",
       "3                                 Employed full-time   \n",
       "4  Independent contractor, freelancer, or self-em...   \n",
       "\n",
       "                                             Country US_State UK_Country  \\\n",
       "0                                           Slovakia      NaN        NaN   \n",
       "1                                        Netherlands      NaN        NaN   \n",
       "2                                 Russian Federation      NaN        NaN   \n",
       "3                                            Austria      NaN        NaN   \n",
       "4  United Kingdom of Great Britain and Northern I...      NaN    England   \n",
       "\n",
       "                                             EdLevel     Age1stCode  \\\n",
       "0  Secondary school (e.g. American high school, G...  18 - 24 years   \n",
       "1       Bachelor’s degree (B.A., B.S., B.Eng., etc.)  11 - 17 years   \n",
       "2       Bachelor’s degree (B.A., B.S., B.Eng., etc.)  11 - 17 years   \n",
       "3    Master’s degree (M.A., M.S., M.Eng., MBA, etc.)  11 - 17 years   \n",
       "4    Master’s degree (M.A., M.S., M.Eng., MBA, etc.)   5 - 10 years   \n",
       "\n",
       "                                           LearnCode YearsCode YearsCodePro  \\\n",
       "0  Coding Bootcamp;Other online resources (ex: vi...       NaN          NaN   \n",
       "1  Other online resources (ex: videos, blogs, etc...         7          NaN   \n",
       "2  Other online resources (ex: videos, blogs, etc...       NaN          NaN   \n",
       "3                                                NaN       NaN          NaN   \n",
       "4                            Friend or family member        17           10   \n",
       "\n",
       "                                             DevType  \\\n",
       "0                                  Developer, mobile   \n",
       "1                                                NaN   \n",
       "2                                                NaN   \n",
       "3                               Developer, front-end   \n",
       "4  Developer, desktop or enterprise applications;...   \n",
       "\n",
       "                                             OrgSize             Currency  \\\n",
       "0                                 20 to 99 employees    EUR European Euro   \n",
       "1                                                NaN                  NaN   \n",
       "2                                                NaN                  NaN   \n",
       "3                               100 to 499 employees    EUR European Euro   \n",
       "4  Just me - I am a freelancer, sole proprietor, ...  GBP\\tPound sterling   \n",
       "\n",
       "   CompTotal CompFreq                         LanguageHaveWorkedWith  \\\n",
       "0     4800.0  Monthly  C++;HTML/CSS;JavaScript;Objective-C;PHP;Swift   \n",
       "1        NaN      NaN                              JavaScript;Python   \n",
       "2        NaN      NaN                       Assembly;C;Python;R;Rust   \n",
       "3        NaN  Monthly                          JavaScript;TypeScript   \n",
       "4        NaN      NaN                 Bash/Shell;HTML/CSS;Python;SQL   \n",
       "\n",
       "           LanguageWantToWorkWith          DatabaseHaveWorkedWith  \\\n",
       "0                           Swift               PostgreSQL;SQLite   \n",
       "1                             NaN                      PostgreSQL   \n",
       "2               Julia;Python;Rust                          SQLite   \n",
       "3           JavaScript;TypeScript                             NaN   \n",
       "4  Bash/Shell;HTML/CSS;Python;SQL  Elasticsearch;PostgreSQL;Redis   \n",
       "\n",
       "                     DatabaseWantToWorkWith PlatformHaveWorkedWith  \\\n",
       "0                                    SQLite                    NaN   \n",
       "1                                       NaN                    NaN   \n",
       "2                                    SQLite                 Heroku   \n",
       "3                                       NaN                    NaN   \n",
       "4  Cassandra;Elasticsearch;PostgreSQL;Redis                    NaN   \n",
       "\n",
       "  PlatformWantToWorkWith WebframeHaveWorkedWith WebframeWantToWorkWith  \\\n",
       "0                    NaN        Laravel;Symfony                    NaN   \n",
       "1                    NaN   Angular;Flask;Vue.js                    NaN   \n",
       "2                    NaN                  Flask                  Flask   \n",
       "3                    NaN         Angular;jQuery         Angular;jQuery   \n",
       "4                    NaN                  Flask                  Flask   \n",
       "\n",
       "                  MiscTechHaveWorkedWith  \\\n",
       "0                                    NaN   \n",
       "1                                Cordova   \n",
       "2  NumPy;Pandas;TensorFlow;Torch/PyTorch   \n",
       "3                                    NaN   \n",
       "4       Apache Spark;Hadoop;NumPy;Pandas   \n",
       "\n",
       "                        MiscTechWantToWorkWith     ToolsTechHaveWorkedWith  \\\n",
       "0                                          NaN                         NaN   \n",
       "1                                          NaN             Docker;Git;Yarn   \n",
       "2  Keras;NumPy;Pandas;TensorFlow;Torch/PyTorch                         NaN   \n",
       "3                                          NaN                         NaN   \n",
       "4                          Hadoop;NumPy;Pandas  Docker;Git;Kubernetes;Yarn   \n",
       "\n",
       "      ToolsTechWantToWorkWith  \\\n",
       "0                         NaN   \n",
       "1                         Git   \n",
       "2                         NaN   \n",
       "3                         NaN   \n",
       "4  Docker;Git;Kubernetes;Yarn   \n",
       "\n",
       "                        NEWCollabToolsHaveWorkedWith  \\\n",
       "0                                     PHPStorm;Xcode   \n",
       "1          Android Studio;IntelliJ;Notepad++;PyCharm   \n",
       "2  IPython/Jupyter;PyCharm;RStudio;Sublime Text;V...   \n",
       "3                                                NaN   \n",
       "4         Atom;IPython/Jupyter;Notepad++;PyCharm;Vim   \n",
       "\n",
       "                        NEWCollabToolsWantToWorkWith        OpSys  \\\n",
       "0                                         Atom;Xcode        MacOS   \n",
       "1                                                NaN      Windows   \n",
       "2  IPython/Jupyter;RStudio;Sublime Text;Visual St...        MacOS   \n",
       "3                                                NaN      Windows   \n",
       "4  Atom;IPython/Jupyter;Notepad++;PyCharm;Vim;Vis...  Linux-based   \n",
       "\n",
       "                                            NEWStuck  \\\n",
       "0  Call a coworker or friend;Visit Stack Overflow...   \n",
       "1                     Visit Stack Overflow;Google it   \n",
       "2  Visit Stack Overflow;Google it;Watch help / tu...   \n",
       "3  Call a coworker or friend;Visit Stack Overflow...   \n",
       "4  Visit Stack Overflow;Go for a walk or other ph...   \n",
       "\n",
       "                      NEWSOSites             SOVisitFreq SOAccount  \\\n",
       "0                 Stack Overflow  Multiple times per day       Yes   \n",
       "1                 Stack Overflow   Daily or almost daily       Yes   \n",
       "2  Stack Overflow;Stack Exchange  Multiple times per day       Yes   \n",
       "3                 Stack Overflow   Daily or almost daily       Yes   \n",
       "4  Stack Overflow;Stack Exchange   Daily or almost daily       Yes   \n",
       "\n",
       "                        SOPartFreq           SOComm NEWOtherComms  \\\n",
       "0  A few times per month or weekly  Yes, definitely            No   \n",
       "1            Daily or almost daily  Yes, definitely            No   \n",
       "2           Multiple times per day  Yes, definitely           Yes   \n",
       "3            Daily or almost daily          Neutral            No   \n",
       "4             A few times per week    Yes, somewhat            No   \n",
       "\n",
       "               Age Gender Trans                Sexuality  \\\n",
       "0  25-34 years old    Man    No  Straight / Heterosexual   \n",
       "1  18-24 years old    Man    No  Straight / Heterosexual   \n",
       "2  18-24 years old    Man    No        Prefer not to say   \n",
       "3  35-44 years old    Man    No  Straight / Heterosexual   \n",
       "4  25-34 years old    Man    No                      NaN   \n",
       "\n",
       "                      Ethnicity                Accessibility  \\\n",
       "0  White or of European descent            None of the above   \n",
       "1  White or of European descent            None of the above   \n",
       "2             Prefer not to say            None of the above   \n",
       "3  White or of European descent  I am deaf / hard of hearing   \n",
       "4  White or of European descent            None of the above   \n",
       "\n",
       "        MentalHealth           SurveyLength                  SurveyEase  \\\n",
       "0  None of the above  Appropriate in length                        Easy   \n",
       "1  None of the above  Appropriate in length                        Easy   \n",
       "2  None of the above  Appropriate in length                        Easy   \n",
       "3                NaN  Appropriate in length  Neither easy nor difficult   \n",
       "4                NaN  Appropriate in length                        Easy   \n",
       "\n",
       "   ConvertedCompYearly  \n",
       "0              62268.0  \n",
       "1                  NaN  \n",
       "2                  NaN  \n",
       "3                  NaN  \n",
       "4                  NaN  "
      ]
     },
     "execution_count": 11,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "answers.head()"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "86985eb9",
   "metadata": {},
   "source": [
    "### Para visualizar as 10 primeiras linhas do DataFrame"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 12,
   "id": "a64c7045",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>ResponseId</th>\n",
       "      <th>MainBranch</th>\n",
       "      <th>Employment</th>\n",
       "      <th>Country</th>\n",
       "      <th>US_State</th>\n",
       "      <th>UK_Country</th>\n",
       "      <th>EdLevel</th>\n",
       "      <th>Age1stCode</th>\n",
       "      <th>LearnCode</th>\n",
       "      <th>YearsCode</th>\n",
       "      <th>YearsCodePro</th>\n",
       "      <th>DevType</th>\n",
       "      <th>OrgSize</th>\n",
       "      <th>Currency</th>\n",
       "      <th>CompTotal</th>\n",
       "      <th>CompFreq</th>\n",
       "      <th>LanguageHaveWorkedWith</th>\n",
       "      <th>LanguageWantToWorkWith</th>\n",
       "      <th>DatabaseHaveWorkedWith</th>\n",
       "      <th>DatabaseWantToWorkWith</th>\n",
       "      <th>PlatformHaveWorkedWith</th>\n",
       "      <th>PlatformWantToWorkWith</th>\n",
       "      <th>WebframeHaveWorkedWith</th>\n",
       "      <th>WebframeWantToWorkWith</th>\n",
       "      <th>MiscTechHaveWorkedWith</th>\n",
       "      <th>MiscTechWantToWorkWith</th>\n",
       "      <th>ToolsTechHaveWorkedWith</th>\n",
       "      <th>ToolsTechWantToWorkWith</th>\n",
       "      <th>NEWCollabToolsHaveWorkedWith</th>\n",
       "      <th>NEWCollabToolsWantToWorkWith</th>\n",
       "      <th>OpSys</th>\n",
       "      <th>NEWStuck</th>\n",
       "      <th>NEWSOSites</th>\n",
       "      <th>SOVisitFreq</th>\n",
       "      <th>SOAccount</th>\n",
       "      <th>SOPartFreq</th>\n",
       "      <th>SOComm</th>\n",
       "      <th>NEWOtherComms</th>\n",
       "      <th>Age</th>\n",
       "      <th>Gender</th>\n",
       "      <th>Trans</th>\n",
       "      <th>Sexuality</th>\n",
       "      <th>Ethnicity</th>\n",
       "      <th>Accessibility</th>\n",
       "      <th>MentalHealth</th>\n",
       "      <th>SurveyLength</th>\n",
       "      <th>SurveyEase</th>\n",
       "      <th>ConvertedCompYearly</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>1</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Independent contractor, freelancer, or self-em...</td>\n",
       "      <td>Slovakia</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Secondary school (e.g. American high school, G...</td>\n",
       "      <td>18 - 24 years</td>\n",
       "      <td>Coding Bootcamp;Other online resources (ex: vi...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Developer, mobile</td>\n",
       "      <td>20 to 99 employees</td>\n",
       "      <td>EUR European Euro</td>\n",
       "      <td>4800.0</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>C++;HTML/CSS;JavaScript;Objective-C;PHP;Swift</td>\n",
       "      <td>Swift</td>\n",
       "      <td>PostgreSQL;SQLite</td>\n",
       "      <td>SQLite</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Laravel;Symfony</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>PHPStorm;Xcode</td>\n",
       "      <td>Atom;Xcode</td>\n",
       "      <td>MacOS</td>\n",
       "      <td>Call a coworker or friend;Visit Stack Overflow...</td>\n",
       "      <td>Stack Overflow</td>\n",
       "      <td>Multiple times per day</td>\n",
       "      <td>Yes</td>\n",
       "      <td>A few times per month or weekly</td>\n",
       "      <td>Yes, definitely</td>\n",
       "      <td>No</td>\n",
       "      <td>25-34 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Easy</td>\n",
       "      <td>62268.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>2</td>\n",
       "      <td>I am a student who is learning to code</td>\n",
       "      <td>Student, full-time</td>\n",
       "      <td>Netherlands</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Bachelor’s degree (B.A., B.S., B.Eng., etc.)</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>Other online resources (ex: videos, blogs, etc...</td>\n",
       "      <td>7</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>JavaScript;Python</td>\n",
       "      <td>NaN</td>\n",
       "      <td>PostgreSQL</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Angular;Flask;Vue.js</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Cordova</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Docker;Git;Yarn</td>\n",
       "      <td>Git</td>\n",
       "      <td>Android Studio;IntelliJ;Notepad++;PyCharm</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Windows</td>\n",
       "      <td>Visit Stack Overflow;Google it</td>\n",
       "      <td>Stack Overflow</td>\n",
       "      <td>Daily or almost daily</td>\n",
       "      <td>Yes</td>\n",
       "      <td>Daily or almost daily</td>\n",
       "      <td>Yes, definitely</td>\n",
       "      <td>No</td>\n",
       "      <td>18-24 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Easy</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>3</td>\n",
       "      <td>I am not primarily a developer, but I write co...</td>\n",
       "      <td>Student, full-time</td>\n",
       "      <td>Russian Federation</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Bachelor’s degree (B.A., B.S., B.Eng., etc.)</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>Other online resources (ex: videos, blogs, etc...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Assembly;C;Python;R;Rust</td>\n",
       "      <td>Julia;Python;Rust</td>\n",
       "      <td>SQLite</td>\n",
       "      <td>SQLite</td>\n",
       "      <td>Heroku</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Flask</td>\n",
       "      <td>Flask</td>\n",
       "      <td>NumPy;Pandas;TensorFlow;Torch/PyTorch</td>\n",
       "      <td>Keras;NumPy;Pandas;TensorFlow;Torch/PyTorch</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>IPython/Jupyter;PyCharm;RStudio;Sublime Text;V...</td>\n",
       "      <td>IPython/Jupyter;RStudio;Sublime Text;Visual St...</td>\n",
       "      <td>MacOS</td>\n",
       "      <td>Visit Stack Overflow;Google it;Watch help / tu...</td>\n",
       "      <td>Stack Overflow;Stack Exchange</td>\n",
       "      <td>Multiple times per day</td>\n",
       "      <td>Yes</td>\n",
       "      <td>Multiple times per day</td>\n",
       "      <td>Yes, definitely</td>\n",
       "      <td>Yes</td>\n",
       "      <td>18-24 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>Prefer not to say</td>\n",
       "      <td>Prefer not to say</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Easy</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>4</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>Austria</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Master’s degree (M.A., M.S., M.Eng., MBA, etc.)</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Developer, front-end</td>\n",
       "      <td>100 to 499 employees</td>\n",
       "      <td>EUR European Euro</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>JavaScript;TypeScript</td>\n",
       "      <td>JavaScript;TypeScript</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Angular;jQuery</td>\n",
       "      <td>Angular;jQuery</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Windows</td>\n",
       "      <td>Call a coworker or friend;Visit Stack Overflow...</td>\n",
       "      <td>Stack Overflow</td>\n",
       "      <td>Daily or almost daily</td>\n",
       "      <td>Yes</td>\n",
       "      <td>Daily or almost daily</td>\n",
       "      <td>Neutral</td>\n",
       "      <td>No</td>\n",
       "      <td>35-44 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>I am deaf / hard of hearing</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Neither easy nor difficult</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>5</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Independent contractor, freelancer, or self-em...</td>\n",
       "      <td>United Kingdom of Great Britain and Northern I...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>England</td>\n",
       "      <td>Master’s degree (M.A., M.S., M.Eng., MBA, etc.)</td>\n",
       "      <td>5 - 10 years</td>\n",
       "      <td>Friend or family member</td>\n",
       "      <td>17</td>\n",
       "      <td>10</td>\n",
       "      <td>Developer, desktop or enterprise applications;...</td>\n",
       "      <td>Just me - I am a freelancer, sole proprietor, ...</td>\n",
       "      <td>GBP\\tPound sterling</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Bash/Shell;HTML/CSS;Python;SQL</td>\n",
       "      <td>Bash/Shell;HTML/CSS;Python;SQL</td>\n",
       "      <td>Elasticsearch;PostgreSQL;Redis</td>\n",
       "      <td>Cassandra;Elasticsearch;PostgreSQL;Redis</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Flask</td>\n",
       "      <td>Flask</td>\n",
       "      <td>Apache Spark;Hadoop;NumPy;Pandas</td>\n",
       "      <td>Hadoop;NumPy;Pandas</td>\n",
       "      <td>Docker;Git;Kubernetes;Yarn</td>\n",
       "      <td>Docker;Git;Kubernetes;Yarn</td>\n",
       "      <td>Atom;IPython/Jupyter;Notepad++;PyCharm;Vim</td>\n",
       "      <td>Atom;IPython/Jupyter;Notepad++;PyCharm;Vim;Vis...</td>\n",
       "      <td>Linux-based</td>\n",
       "      <td>Visit Stack Overflow;Go for a walk or other ph...</td>\n",
       "      <td>Stack Overflow;Stack Exchange</td>\n",
       "      <td>Daily or almost daily</td>\n",
       "      <td>Yes</td>\n",
       "      <td>A few times per week</td>\n",
       "      <td>Yes, somewhat</td>\n",
       "      <td>No</td>\n",
       "      <td>25-34 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>NaN</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Easy</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>5</th>\n",
       "      <td>6</td>\n",
       "      <td>I am a student who is learning to code</td>\n",
       "      <td>Student, part-time</td>\n",
       "      <td>United States of America</td>\n",
       "      <td>Georgia</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Bachelor’s degree (B.A., B.S., B.Eng., etc.)</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>Other online resources (ex: videos, blogs, etc...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>C;C#;C++;HTML/CSS;Java;JavaScript;Node.js;Powe...</td>\n",
       "      <td>C#;C++;Go;HTML/CSS;Java;JavaScript;Node.js;Obj...</td>\n",
       "      <td>MySQL;PostgreSQL;SQLite</td>\n",
       "      <td>Elasticsearch;Firebase;IBM DB2;MariaDB;Microso...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Express;Flask;jQuery;React.js</td>\n",
       "      <td>Express;Flask;jQuery;React.js</td>\n",
       "      <td>Keras;NumPy;Pandas;TensorFlow;Torch/PyTorch</td>\n",
       "      <td>Keras;NumPy;Pandas;Qt;React Native;TensorFlow;...</td>\n",
       "      <td>Git</td>\n",
       "      <td>Docker;Git;Unity 3D;Unreal Engine</td>\n",
       "      <td>IPython/Jupyter;Notepad++;PyCharm;Sublime Text...</td>\n",
       "      <td>Android Studio;IPython/Jupyter;Vim;Visual Stud...</td>\n",
       "      <td>Windows</td>\n",
       "      <td>Visit Stack Overflow;Go for a walk or other ph...</td>\n",
       "      <td>Stack Overflow;Stack Exchange</td>\n",
       "      <td>Multiple times per day</td>\n",
       "      <td>Yes</td>\n",
       "      <td>I have never participated in Q&amp;A on Stack Over...</td>\n",
       "      <td>Yes, somewhat</td>\n",
       "      <td>No</td>\n",
       "      <td>18-24 years old</td>\n",
       "      <td>Prefer not to say</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>Prefer not to say</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>I have a concentration and/or memory disorder ...</td>\n",
       "      <td>Too long</td>\n",
       "      <td>Neither easy nor difficult</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>6</th>\n",
       "      <td>7</td>\n",
       "      <td>I code primarily as a hobby</td>\n",
       "      <td>I prefer not to say</td>\n",
       "      <td>United States of America</td>\n",
       "      <td>New Hampshire</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Secondary school (e.g. American high school, G...</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>Other online resources (ex: videos, blogs, etc...</td>\n",
       "      <td>3</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>HTML/CSS;JavaScript</td>\n",
       "      <td>HTML/CSS;JavaScript;PHP</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>jQuery</td>\n",
       "      <td>jQuery</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Windows</td>\n",
       "      <td>Call a coworker or friend;Visit Stack Overflow...</td>\n",
       "      <td>Stack Overflow</td>\n",
       "      <td>Daily or almost daily</td>\n",
       "      <td>Yes</td>\n",
       "      <td>A few times per week</td>\n",
       "      <td>Yes, somewhat</td>\n",
       "      <td>No</td>\n",
       "      <td>Prefer not to say</td>\n",
       "      <td>Prefer not to say</td>\n",
       "      <td>No</td>\n",
       "      <td>NaN</td>\n",
       "      <td>I don't know</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Neither easy nor difficult</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>7</th>\n",
       "      <td>8</td>\n",
       "      <td>I am a student who is learning to code</td>\n",
       "      <td>Student, full-time</td>\n",
       "      <td>Malaysia</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Bachelor’s degree (B.A., B.S., B.Eng., etc.)</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>School;Online Courses or Certification</td>\n",
       "      <td>4</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>HTML/CSS;JavaScript;PHP;Ruby;SQL;TypeScript</td>\n",
       "      <td>Ruby</td>\n",
       "      <td>MySQL;PostgreSQL;SQLite</td>\n",
       "      <td>PostgreSQL</td>\n",
       "      <td>Heroku;Microsoft Azure</td>\n",
       "      <td>Heroku</td>\n",
       "      <td>Angular.js;jQuery;Ruby on Rails</td>\n",
       "      <td>Ruby on Rails</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Sublime Text;Visual Studio Code</td>\n",
       "      <td>Sublime Text;Visual Studio Code</td>\n",
       "      <td>Linux-based</td>\n",
       "      <td>Visit Stack Overflow;Go for a walk or other ph...</td>\n",
       "      <td>Stack Overflow;Stack Exchange</td>\n",
       "      <td>Multiple times per day</td>\n",
       "      <td>Yes</td>\n",
       "      <td>I have never participated in Q&amp;A on Stack Over...</td>\n",
       "      <td>No, not at all</td>\n",
       "      <td>Yes</td>\n",
       "      <td>18-24 years old</td>\n",
       "      <td>Woman</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>White or of European descent;Multiracial;South...</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Easy</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>8</th>\n",
       "      <td>9</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Employed part-time</td>\n",
       "      <td>India</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Bachelor’s degree (B.A., B.S., B.Eng., etc.)</td>\n",
       "      <td>18 - 24 years</td>\n",
       "      <td>Coding Bootcamp</td>\n",
       "      <td>6</td>\n",
       "      <td>4</td>\n",
       "      <td>Developer, front-end</td>\n",
       "      <td>10,000 or more employees</td>\n",
       "      <td>INR\\tIndian rupee</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>HTML/CSS;JavaScript</td>\n",
       "      <td>HTML/CSS;JavaScript</td>\n",
       "      <td>PostgreSQL</td>\n",
       "      <td>PostgreSQL</td>\n",
       "      <td>AWS</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Django;FastAPI</td>\n",
       "      <td>Django;FastAPI</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Docker;Git</td>\n",
       "      <td>Docker;Git;Kubernetes</td>\n",
       "      <td>PyCharm;Sublime Text</td>\n",
       "      <td>PyCharm;Sublime Text</td>\n",
       "      <td>Windows</td>\n",
       "      <td>Visit Stack Overflow;Google it;Panic</td>\n",
       "      <td>Stack Overflow;Stack Exchange</td>\n",
       "      <td>A few times per week</td>\n",
       "      <td>Yes</td>\n",
       "      <td>Less than once per month or monthly</td>\n",
       "      <td>Yes, definitely</td>\n",
       "      <td>No</td>\n",
       "      <td>25-34 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>NaN</td>\n",
       "      <td>South Asian</td>\n",
       "      <td>NaN</td>\n",
       "      <td>I have a concentration and/or memory disorder ...</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Easy</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>9</th>\n",
       "      <td>10</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>Sweden</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Master’s degree (M.A., M.S., M.Eng., MBA, etc.)</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>School</td>\n",
       "      <td>7</td>\n",
       "      <td>4</td>\n",
       "      <td>Data scientist or machine learning specialist</td>\n",
       "      <td>10 to 19 employees</td>\n",
       "      <td>SEK\\tSwedish krona</td>\n",
       "      <td>42000.0</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>C++;Python</td>\n",
       "      <td>Haskell;Python</td>\n",
       "      <td>PostgreSQL</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Keras;NumPy;Pandas;TensorFlow;Torch/PyTorch</td>\n",
       "      <td>Keras;NumPy;TensorFlow;Torch/PyTorch</td>\n",
       "      <td>Git</td>\n",
       "      <td>Git</td>\n",
       "      <td>IPython/Jupyter;Vim;Visual Studio Code</td>\n",
       "      <td>Emacs;IPython/Jupyter;Vim;Visual Studio Code</td>\n",
       "      <td>Linux-based</td>\n",
       "      <td>Call a coworker or friend;Visit Stack Overflow...</td>\n",
       "      <td>Stack Overflow;Stack Exchange</td>\n",
       "      <td>Multiple times per day</td>\n",
       "      <td>Yes</td>\n",
       "      <td>Daily or almost daily</td>\n",
       "      <td>Yes, somewhat</td>\n",
       "      <td>No</td>\n",
       "      <td>25-34 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Neither easy nor difficult</td>\n",
       "      <td>51552.0</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "   ResponseId                                         MainBranch  \\\n",
       "0           1                     I am a developer by profession   \n",
       "1           2             I am a student who is learning to code   \n",
       "2           3  I am not primarily a developer, but I write co...   \n",
       "3           4                     I am a developer by profession   \n",
       "4           5                     I am a developer by profession   \n",
       "5           6             I am a student who is learning to code   \n",
       "6           7                        I code primarily as a hobby   \n",
       "7           8             I am a student who is learning to code   \n",
       "8           9                     I am a developer by profession   \n",
       "9          10                     I am a developer by profession   \n",
       "\n",
       "                                          Employment  \\\n",
       "0  Independent contractor, freelancer, or self-em...   \n",
       "1                                 Student, full-time   \n",
       "2                                 Student, full-time   \n",
       "3                                 Employed full-time   \n",
       "4  Independent contractor, freelancer, or self-em...   \n",
       "5                                 Student, part-time   \n",
       "6                                I prefer not to say   \n",
       "7                                 Student, full-time   \n",
       "8                                 Employed part-time   \n",
       "9                                 Employed full-time   \n",
       "\n",
       "                                             Country       US_State  \\\n",
       "0                                           Slovakia            NaN   \n",
       "1                                        Netherlands            NaN   \n",
       "2                                 Russian Federation            NaN   \n",
       "3                                            Austria            NaN   \n",
       "4  United Kingdom of Great Britain and Northern I...            NaN   \n",
       "5                           United States of America        Georgia   \n",
       "6                           United States of America  New Hampshire   \n",
       "7                                           Malaysia            NaN   \n",
       "8                                              India            NaN   \n",
       "9                                             Sweden            NaN   \n",
       "\n",
       "  UK_Country                                            EdLevel  \\\n",
       "0        NaN  Secondary school (e.g. American high school, G...   \n",
       "1        NaN       Bachelor’s degree (B.A., B.S., B.Eng., etc.)   \n",
       "2        NaN       Bachelor’s degree (B.A., B.S., B.Eng., etc.)   \n",
       "3        NaN    Master’s degree (M.A., M.S., M.Eng., MBA, etc.)   \n",
       "4    England    Master’s degree (M.A., M.S., M.Eng., MBA, etc.)   \n",
       "5        NaN       Bachelor’s degree (B.A., B.S., B.Eng., etc.)   \n",
       "6        NaN  Secondary school (e.g. American high school, G...   \n",
       "7        NaN       Bachelor’s degree (B.A., B.S., B.Eng., etc.)   \n",
       "8        NaN       Bachelor’s degree (B.A., B.S., B.Eng., etc.)   \n",
       "9        NaN    Master’s degree (M.A., M.S., M.Eng., MBA, etc.)   \n",
       "\n",
       "      Age1stCode                                          LearnCode YearsCode  \\\n",
       "0  18 - 24 years  Coding Bootcamp;Other online resources (ex: vi...       NaN   \n",
       "1  11 - 17 years  Other online resources (ex: videos, blogs, etc...         7   \n",
       "2  11 - 17 years  Other online resources (ex: videos, blogs, etc...       NaN   \n",
       "3  11 - 17 years                                                NaN       NaN   \n",
       "4   5 - 10 years                            Friend or family member        17   \n",
       "5  11 - 17 years  Other online resources (ex: videos, blogs, etc...       NaN   \n",
       "6  11 - 17 years  Other online resources (ex: videos, blogs, etc...         3   \n",
       "7  11 - 17 years             School;Online Courses or Certification         4   \n",
       "8  18 - 24 years                                    Coding Bootcamp         6   \n",
       "9  11 - 17 years                                             School         7   \n",
       "\n",
       "  YearsCodePro                                            DevType  \\\n",
       "0          NaN                                  Developer, mobile   \n",
       "1          NaN                                                NaN   \n",
       "2          NaN                                                NaN   \n",
       "3          NaN                               Developer, front-end   \n",
       "4           10  Developer, desktop or enterprise applications;...   \n",
       "5          NaN                                                NaN   \n",
       "6          NaN                                                NaN   \n",
       "7          NaN                                                NaN   \n",
       "8            4                               Developer, front-end   \n",
       "9            4      Data scientist or machine learning specialist   \n",
       "\n",
       "                                             OrgSize             Currency  \\\n",
       "0                                 20 to 99 employees    EUR European Euro   \n",
       "1                                                NaN                  NaN   \n",
       "2                                                NaN                  NaN   \n",
       "3                               100 to 499 employees    EUR European Euro   \n",
       "4  Just me - I am a freelancer, sole proprietor, ...  GBP\\tPound sterling   \n",
       "5                                                NaN                  NaN   \n",
       "6                                                NaN                  NaN   \n",
       "7                                                NaN                  NaN   \n",
       "8                           10,000 or more employees    INR\\tIndian rupee   \n",
       "9                                 10 to 19 employees   SEK\\tSwedish krona   \n",
       "\n",
       "   CompTotal CompFreq                             LanguageHaveWorkedWith  \\\n",
       "0     4800.0  Monthly      C++;HTML/CSS;JavaScript;Objective-C;PHP;Swift   \n",
       "1        NaN      NaN                                  JavaScript;Python   \n",
       "2        NaN      NaN                           Assembly;C;Python;R;Rust   \n",
       "3        NaN  Monthly                              JavaScript;TypeScript   \n",
       "4        NaN      NaN                     Bash/Shell;HTML/CSS;Python;SQL   \n",
       "5        NaN      NaN  C;C#;C++;HTML/CSS;Java;JavaScript;Node.js;Powe...   \n",
       "6        NaN      NaN                                HTML/CSS;JavaScript   \n",
       "7        NaN      NaN        HTML/CSS;JavaScript;PHP;Ruby;SQL;TypeScript   \n",
       "8        NaN  Monthly                                HTML/CSS;JavaScript   \n",
       "9    42000.0  Monthly                                         C++;Python   \n",
       "\n",
       "                              LanguageWantToWorkWith  \\\n",
       "0                                              Swift   \n",
       "1                                                NaN   \n",
       "2                                  Julia;Python;Rust   \n",
       "3                              JavaScript;TypeScript   \n",
       "4                     Bash/Shell;HTML/CSS;Python;SQL   \n",
       "5  C#;C++;Go;HTML/CSS;Java;JavaScript;Node.js;Obj...   \n",
       "6                            HTML/CSS;JavaScript;PHP   \n",
       "7                                               Ruby   \n",
       "8                                HTML/CSS;JavaScript   \n",
       "9                                     Haskell;Python   \n",
       "\n",
       "           DatabaseHaveWorkedWith  \\\n",
       "0               PostgreSQL;SQLite   \n",
       "1                      PostgreSQL   \n",
       "2                          SQLite   \n",
       "3                             NaN   \n",
       "4  Elasticsearch;PostgreSQL;Redis   \n",
       "5         MySQL;PostgreSQL;SQLite   \n",
       "6                             NaN   \n",
       "7         MySQL;PostgreSQL;SQLite   \n",
       "8                      PostgreSQL   \n",
       "9                      PostgreSQL   \n",
       "\n",
       "                              DatabaseWantToWorkWith  PlatformHaveWorkedWith  \\\n",
       "0                                             SQLite                     NaN   \n",
       "1                                                NaN                     NaN   \n",
       "2                                             SQLite                  Heroku   \n",
       "3                                                NaN                     NaN   \n",
       "4           Cassandra;Elasticsearch;PostgreSQL;Redis                     NaN   \n",
       "5  Elasticsearch;Firebase;IBM DB2;MariaDB;Microso...                     NaN   \n",
       "6                                                NaN                     NaN   \n",
       "7                                         PostgreSQL  Heroku;Microsoft Azure   \n",
       "8                                         PostgreSQL                     AWS   \n",
       "9                                                NaN                     NaN   \n",
       "\n",
       "  PlatformWantToWorkWith           WebframeHaveWorkedWith  \\\n",
       "0                    NaN                  Laravel;Symfony   \n",
       "1                    NaN             Angular;Flask;Vue.js   \n",
       "2                    NaN                            Flask   \n",
       "3                    NaN                   Angular;jQuery   \n",
       "4                    NaN                            Flask   \n",
       "5                    NaN    Express;Flask;jQuery;React.js   \n",
       "6                    NaN                           jQuery   \n",
       "7                 Heroku  Angular.js;jQuery;Ruby on Rails   \n",
       "8                    NaN                   Django;FastAPI   \n",
       "9                    NaN                              NaN   \n",
       "\n",
       "          WebframeWantToWorkWith                       MiscTechHaveWorkedWith  \\\n",
       "0                            NaN                                          NaN   \n",
       "1                            NaN                                      Cordova   \n",
       "2                          Flask        NumPy;Pandas;TensorFlow;Torch/PyTorch   \n",
       "3                 Angular;jQuery                                          NaN   \n",
       "4                          Flask             Apache Spark;Hadoop;NumPy;Pandas   \n",
       "5  Express;Flask;jQuery;React.js  Keras;NumPy;Pandas;TensorFlow;Torch/PyTorch   \n",
       "6                         jQuery                                          NaN   \n",
       "7                  Ruby on Rails                                          NaN   \n",
       "8                 Django;FastAPI                                          NaN   \n",
       "9                            NaN  Keras;NumPy;Pandas;TensorFlow;Torch/PyTorch   \n",
       "\n",
       "                              MiscTechWantToWorkWith  \\\n",
       "0                                                NaN   \n",
       "1                                                NaN   \n",
       "2        Keras;NumPy;Pandas;TensorFlow;Torch/PyTorch   \n",
       "3                                                NaN   \n",
       "4                                Hadoop;NumPy;Pandas   \n",
       "5  Keras;NumPy;Pandas;Qt;React Native;TensorFlow;...   \n",
       "6                                                NaN   \n",
       "7                                                NaN   \n",
       "8                                                NaN   \n",
       "9               Keras;NumPy;TensorFlow;Torch/PyTorch   \n",
       "\n",
       "      ToolsTechHaveWorkedWith            ToolsTechWantToWorkWith  \\\n",
       "0                         NaN                                NaN   \n",
       "1             Docker;Git;Yarn                                Git   \n",
       "2                         NaN                                NaN   \n",
       "3                         NaN                                NaN   \n",
       "4  Docker;Git;Kubernetes;Yarn         Docker;Git;Kubernetes;Yarn   \n",
       "5                         Git  Docker;Git;Unity 3D;Unreal Engine   \n",
       "6                         NaN                                NaN   \n",
       "7                         NaN                                NaN   \n",
       "8                  Docker;Git              Docker;Git;Kubernetes   \n",
       "9                         Git                                Git   \n",
       "\n",
       "                        NEWCollabToolsHaveWorkedWith  \\\n",
       "0                                     PHPStorm;Xcode   \n",
       "1          Android Studio;IntelliJ;Notepad++;PyCharm   \n",
       "2  IPython/Jupyter;PyCharm;RStudio;Sublime Text;V...   \n",
       "3                                                NaN   \n",
       "4         Atom;IPython/Jupyter;Notepad++;PyCharm;Vim   \n",
       "5  IPython/Jupyter;Notepad++;PyCharm;Sublime Text...   \n",
       "6                                                NaN   \n",
       "7                    Sublime Text;Visual Studio Code   \n",
       "8                               PyCharm;Sublime Text   \n",
       "9             IPython/Jupyter;Vim;Visual Studio Code   \n",
       "\n",
       "                        NEWCollabToolsWantToWorkWith        OpSys  \\\n",
       "0                                         Atom;Xcode        MacOS   \n",
       "1                                                NaN      Windows   \n",
       "2  IPython/Jupyter;RStudio;Sublime Text;Visual St...        MacOS   \n",
       "3                                                NaN      Windows   \n",
       "4  Atom;IPython/Jupyter;Notepad++;PyCharm;Vim;Vis...  Linux-based   \n",
       "5  Android Studio;IPython/Jupyter;Vim;Visual Stud...      Windows   \n",
       "6                                                NaN      Windows   \n",
       "7                    Sublime Text;Visual Studio Code  Linux-based   \n",
       "8                               PyCharm;Sublime Text      Windows   \n",
       "9       Emacs;IPython/Jupyter;Vim;Visual Studio Code  Linux-based   \n",
       "\n",
       "                                            NEWStuck  \\\n",
       "0  Call a coworker or friend;Visit Stack Overflow...   \n",
       "1                     Visit Stack Overflow;Google it   \n",
       "2  Visit Stack Overflow;Google it;Watch help / tu...   \n",
       "3  Call a coworker or friend;Visit Stack Overflow...   \n",
       "4  Visit Stack Overflow;Go for a walk or other ph...   \n",
       "5  Visit Stack Overflow;Go for a walk or other ph...   \n",
       "6  Call a coworker or friend;Visit Stack Overflow...   \n",
       "7  Visit Stack Overflow;Go for a walk or other ph...   \n",
       "8               Visit Stack Overflow;Google it;Panic   \n",
       "9  Call a coworker or friend;Visit Stack Overflow...   \n",
       "\n",
       "                      NEWSOSites             SOVisitFreq SOAccount  \\\n",
       "0                 Stack Overflow  Multiple times per day       Yes   \n",
       "1                 Stack Overflow   Daily or almost daily       Yes   \n",
       "2  Stack Overflow;Stack Exchange  Multiple times per day       Yes   \n",
       "3                 Stack Overflow   Daily or almost daily       Yes   \n",
       "4  Stack Overflow;Stack Exchange   Daily or almost daily       Yes   \n",
       "5  Stack Overflow;Stack Exchange  Multiple times per day       Yes   \n",
       "6                 Stack Overflow   Daily or almost daily       Yes   \n",
       "7  Stack Overflow;Stack Exchange  Multiple times per day       Yes   \n",
       "8  Stack Overflow;Stack Exchange    A few times per week       Yes   \n",
       "9  Stack Overflow;Stack Exchange  Multiple times per day       Yes   \n",
       "\n",
       "                                          SOPartFreq           SOComm  \\\n",
       "0                    A few times per month or weekly  Yes, definitely   \n",
       "1                              Daily or almost daily  Yes, definitely   \n",
       "2                             Multiple times per day  Yes, definitely   \n",
       "3                              Daily or almost daily          Neutral   \n",
       "4                               A few times per week    Yes, somewhat   \n",
       "5  I have never participated in Q&A on Stack Over...    Yes, somewhat   \n",
       "6                               A few times per week    Yes, somewhat   \n",
       "7  I have never participated in Q&A on Stack Over...   No, not at all   \n",
       "8                Less than once per month or monthly  Yes, definitely   \n",
       "9                              Daily or almost daily    Yes, somewhat   \n",
       "\n",
       "  NEWOtherComms                Age             Gender Trans  \\\n",
       "0            No    25-34 years old                Man    No   \n",
       "1            No    18-24 years old                Man    No   \n",
       "2           Yes    18-24 years old                Man    No   \n",
       "3            No    35-44 years old                Man    No   \n",
       "4            No    25-34 years old                Man    No   \n",
       "5            No    18-24 years old  Prefer not to say    No   \n",
       "6            No  Prefer not to say  Prefer not to say    No   \n",
       "7           Yes    18-24 years old              Woman    No   \n",
       "8            No    25-34 years old                Man    No   \n",
       "9            No    25-34 years old                Man    No   \n",
       "\n",
       "                 Sexuality                                          Ethnicity  \\\n",
       "0  Straight / Heterosexual                       White or of European descent   \n",
       "1  Straight / Heterosexual                       White or of European descent   \n",
       "2        Prefer not to say                                  Prefer not to say   \n",
       "3  Straight / Heterosexual                       White or of European descent   \n",
       "4                      NaN                       White or of European descent   \n",
       "5  Straight / Heterosexual                                  Prefer not to say   \n",
       "6                      NaN                                       I don't know   \n",
       "7  Straight / Heterosexual  White or of European descent;Multiracial;South...   \n",
       "8                      NaN                                        South Asian   \n",
       "9  Straight / Heterosexual                       White or of European descent   \n",
       "\n",
       "                 Accessibility  \\\n",
       "0            None of the above   \n",
       "1            None of the above   \n",
       "2            None of the above   \n",
       "3  I am deaf / hard of hearing   \n",
       "4            None of the above   \n",
       "5            None of the above   \n",
       "6            None of the above   \n",
       "7            None of the above   \n",
       "8                          NaN   \n",
       "9            None of the above   \n",
       "\n",
       "                                        MentalHealth           SurveyLength  \\\n",
       "0                                  None of the above  Appropriate in length   \n",
       "1                                  None of the above  Appropriate in length   \n",
       "2                                  None of the above  Appropriate in length   \n",
       "3                                                NaN  Appropriate in length   \n",
       "4                                                NaN  Appropriate in length   \n",
       "5  I have a concentration and/or memory disorder ...               Too long   \n",
       "6                                  None of the above  Appropriate in length   \n",
       "7                                  None of the above  Appropriate in length   \n",
       "8  I have a concentration and/or memory disorder ...  Appropriate in length   \n",
       "9                                  None of the above  Appropriate in length   \n",
       "\n",
       "                   SurveyEase  ConvertedCompYearly  \n",
       "0                        Easy              62268.0  \n",
       "1                        Easy                  NaN  \n",
       "2                        Easy                  NaN  \n",
       "3  Neither easy nor difficult                  NaN  \n",
       "4                        Easy                  NaN  \n",
       "5  Neither easy nor difficult                  NaN  \n",
       "6  Neither easy nor difficult                  NaN  \n",
       "7                        Easy                  NaN  \n",
       "8                        Easy                  NaN  \n",
       "9  Neither easy nor difficult              51552.0  "
      ]
     },
     "execution_count": 12,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "answers.head(10)"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "21313252",
   "metadata": {},
   "source": [
    "### Para visualizar as 5 últimas linhas do DataFrame"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 13,
   "id": "be883db3",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>ResponseId</th>\n",
       "      <th>MainBranch</th>\n",
       "      <th>Employment</th>\n",
       "      <th>Country</th>\n",
       "      <th>US_State</th>\n",
       "      <th>UK_Country</th>\n",
       "      <th>EdLevel</th>\n",
       "      <th>Age1stCode</th>\n",
       "      <th>LearnCode</th>\n",
       "      <th>YearsCode</th>\n",
       "      <th>YearsCodePro</th>\n",
       "      <th>DevType</th>\n",
       "      <th>OrgSize</th>\n",
       "      <th>Currency</th>\n",
       "      <th>CompTotal</th>\n",
       "      <th>CompFreq</th>\n",
       "      <th>LanguageHaveWorkedWith</th>\n",
       "      <th>LanguageWantToWorkWith</th>\n",
       "      <th>DatabaseHaveWorkedWith</th>\n",
       "      <th>DatabaseWantToWorkWith</th>\n",
       "      <th>PlatformHaveWorkedWith</th>\n",
       "      <th>PlatformWantToWorkWith</th>\n",
       "      <th>WebframeHaveWorkedWith</th>\n",
       "      <th>WebframeWantToWorkWith</th>\n",
       "      <th>MiscTechHaveWorkedWith</th>\n",
       "      <th>MiscTechWantToWorkWith</th>\n",
       "      <th>ToolsTechHaveWorkedWith</th>\n",
       "      <th>ToolsTechWantToWorkWith</th>\n",
       "      <th>NEWCollabToolsHaveWorkedWith</th>\n",
       "      <th>NEWCollabToolsWantToWorkWith</th>\n",
       "      <th>OpSys</th>\n",
       "      <th>NEWStuck</th>\n",
       "      <th>NEWSOSites</th>\n",
       "      <th>SOVisitFreq</th>\n",
       "      <th>SOAccount</th>\n",
       "      <th>SOPartFreq</th>\n",
       "      <th>SOComm</th>\n",
       "      <th>NEWOtherComms</th>\n",
       "      <th>Age</th>\n",
       "      <th>Gender</th>\n",
       "      <th>Trans</th>\n",
       "      <th>Sexuality</th>\n",
       "      <th>Ethnicity</th>\n",
       "      <th>Accessibility</th>\n",
       "      <th>MentalHealth</th>\n",
       "      <th>SurveyLength</th>\n",
       "      <th>SurveyEase</th>\n",
       "      <th>ConvertedCompYearly</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>83434</th>\n",
       "      <td>83435</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>United States of America</td>\n",
       "      <td>Texas</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Bachelor’s degree (B.A., B.S., B.Eng., etc.)</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>Other online resources (ex: videos, blogs, etc...</td>\n",
       "      <td>6</td>\n",
       "      <td>5</td>\n",
       "      <td>Developer, back-end</td>\n",
       "      <td>20 to 99 employees</td>\n",
       "      <td>USD\\tUnited States dollar</td>\n",
       "      <td>160500.0</td>\n",
       "      <td>Yearly</td>\n",
       "      <td>Clojure;Kotlin;SQL</td>\n",
       "      <td>Clojure</td>\n",
       "      <td>Oracle;SQLite</td>\n",
       "      <td>SQLite</td>\n",
       "      <td>AWS</td>\n",
       "      <td>AWS</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Docker;Git</td>\n",
       "      <td>Git;Kubernetes</td>\n",
       "      <td>IntelliJ;Sublime Text;Vim;Visual Studio Code</td>\n",
       "      <td>Sublime Text;Vim</td>\n",
       "      <td>MacOS</td>\n",
       "      <td>Call a coworker or friend;Google it</td>\n",
       "      <td>Stack Overflow;Stack Exchange</td>\n",
       "      <td>A few times per week</td>\n",
       "      <td>No</td>\n",
       "      <td>NaN</td>\n",
       "      <td>No, not at all</td>\n",
       "      <td>No</td>\n",
       "      <td>25-34 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>I have a concentration and/or memory disorder ...</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Easy</td>\n",
       "      <td>160500.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>83435</th>\n",
       "      <td>83436</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Independent contractor, freelancer, or self-em...</td>\n",
       "      <td>Benin</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Bachelor’s degree (B.A., B.S., B.Eng., etc.)</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>Other online resources (ex: videos, blogs, etc...</td>\n",
       "      <td>4</td>\n",
       "      <td>2</td>\n",
       "      <td>Developer, full-stack</td>\n",
       "      <td>Just me - I am a freelancer, sole proprietor, ...</td>\n",
       "      <td>XOF\\tWest African CFA franc</td>\n",
       "      <td>200000.0</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Firebase;MariaDB;MySQL;PostgreSQL;Redis;SQLite</td>\n",
       "      <td>Firebase;MariaDB;MongoDB;MySQL;PostgreSQL;Redi...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Django;jQuery;Laravel;React.js;Ruby on Rails</td>\n",
       "      <td>Django;Express;jQuery;Laravel;React.js;Ruby on...</td>\n",
       "      <td>Flutter;Qt</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Git;Unity 3D;Unreal Engine</td>\n",
       "      <td>Docker;Git;Kubernetes</td>\n",
       "      <td>Android Studio;Eclipse;Emacs;IntelliJ;NetBeans...</td>\n",
       "      <td>Emacs;IntelliJ;PHPStorm;PyCharm;RStudio;Sublim...</td>\n",
       "      <td>Linux-based</td>\n",
       "      <td>Call a coworker or friend;Visit Stack Overflow...</td>\n",
       "      <td>Stack Overflow;Stack Exchange</td>\n",
       "      <td>Multiple times per day</td>\n",
       "      <td>Yes</td>\n",
       "      <td>I have never participated in Q&amp;A on Stack Over...</td>\n",
       "      <td>Yes, somewhat</td>\n",
       "      <td>No</td>\n",
       "      <td>18-24 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>Black or of African descent</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Easy</td>\n",
       "      <td>3960.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>83436</th>\n",
       "      <td>83437</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>United States of America</td>\n",
       "      <td>New Jersey</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Secondary school (e.g. American high school, G...</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>School</td>\n",
       "      <td>10</td>\n",
       "      <td>4</td>\n",
       "      <td>Data scientist or machine learning specialist;...</td>\n",
       "      <td>10,000 or more employees</td>\n",
       "      <td>USD\\tUnited States dollar</td>\n",
       "      <td>1800.0</td>\n",
       "      <td>Weekly</td>\n",
       "      <td>Groovy;Java;Python</td>\n",
       "      <td>Java;Python</td>\n",
       "      <td>DynamoDB;Elasticsearch;MongoDB;PostgreSQL;Redis</td>\n",
       "      <td>DynamoDB;Redis</td>\n",
       "      <td>AWS;Google Cloud Platform</td>\n",
       "      <td>AWS</td>\n",
       "      <td>FastAPI;Flask</td>\n",
       "      <td>FastAPI;Flask</td>\n",
       "      <td>Hadoop;Keras;NumPy;Pandas</td>\n",
       "      <td>Apache Spark;Hadoop;Keras;NumPy;Pandas;TensorFlow</td>\n",
       "      <td>Ansible;Docker;Git;Terraform</td>\n",
       "      <td>Docker;Git;Kubernetes;Terraform</td>\n",
       "      <td>Android Studio;Eclipse;IntelliJ;IPython/Jupyte...</td>\n",
       "      <td>IntelliJ;IPython/Jupyter;Notepad++;Vim</td>\n",
       "      <td>Windows</td>\n",
       "      <td>Call a coworker or friend;Visit Stack Overflow...</td>\n",
       "      <td>Stack Overflow;Stack Exchange</td>\n",
       "      <td>A few times per week</td>\n",
       "      <td>Yes</td>\n",
       "      <td>I have never participated in Q&amp;A on Stack Over...</td>\n",
       "      <td>No, not really</td>\n",
       "      <td>No</td>\n",
       "      <td>25-34 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>NaN</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Neither easy nor difficult</td>\n",
       "      <td>90000.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>83437</th>\n",
       "      <td>83438</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>Canada</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Bachelor’s degree (B.A., B.S., B.Eng., etc.)</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>Online Courses or Certification;Books / Physic...</td>\n",
       "      <td>5</td>\n",
       "      <td>3</td>\n",
       "      <td>Developer, back-end</td>\n",
       "      <td>20 to 99 employees</td>\n",
       "      <td>CAD\\tCanadian dollar</td>\n",
       "      <td>90000.0</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>Bash/Shell;JavaScript;Node.js;Python</td>\n",
       "      <td>Go;Rust</td>\n",
       "      <td>Cassandra;Elasticsearch;MongoDB;PostgreSQL;Redis</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Heroku</td>\n",
       "      <td>AWS;DigitalOcean</td>\n",
       "      <td>Django;Express;Flask;React.js</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NumPy;Pandas;TensorFlow;Torch/PyTorch</td>\n",
       "      <td>NumPy;Pandas;TensorFlow;Torch/PyTorch</td>\n",
       "      <td>Ansible;Docker;Git;Terraform</td>\n",
       "      <td>Kubernetes;Terraform</td>\n",
       "      <td>PyCharm;Sublime Text</td>\n",
       "      <td>NaN</td>\n",
       "      <td>MacOS</td>\n",
       "      <td>Call a coworker or friend;Visit Stack Overflow...</td>\n",
       "      <td>Stack Overflow</td>\n",
       "      <td>A few times per month or weekly</td>\n",
       "      <td>Yes</td>\n",
       "      <td>Less than once per month or monthly</td>\n",
       "      <td>No, not really</td>\n",
       "      <td>No</td>\n",
       "      <td>25-34 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>I have a mood or emotional disorder (e.g. depr...</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Neither easy nor difficult</td>\n",
       "      <td>816816.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>83438</th>\n",
       "      <td>83439</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>Brazil</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Professional degree (JD, MD, etc.)</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>School</td>\n",
       "      <td>14</td>\n",
       "      <td>4</td>\n",
       "      <td>Developer, front-end;Developer, full-stack;Dev...</td>\n",
       "      <td>I don’t know</td>\n",
       "      <td>BRL\\tBrazilian real</td>\n",
       "      <td>7700.0</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>Delphi;Elixir;HTML/CSS;Java;JavaScript</td>\n",
       "      <td>Elixir;HTML/CSS;Java;JavaScript;Node.js;PHP;SQ...</td>\n",
       "      <td>Oracle;PostgreSQL</td>\n",
       "      <td>Elasticsearch;MongoDB;MySQL;Oracle;PostgreSQL;...</td>\n",
       "      <td>Microsoft Azure</td>\n",
       "      <td>AWS</td>\n",
       "      <td>Angular;Spring</td>\n",
       "      <td>Express;Laravel;Spring;Symfony</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Docker;Git</td>\n",
       "      <td>Docker;Git;Kubernetes</td>\n",
       "      <td>IntelliJ;Visual Studio Code</td>\n",
       "      <td>IntelliJ;PHPStorm;Visual Studio Code</td>\n",
       "      <td>Linux-based</td>\n",
       "      <td>Call a coworker or friend;Visit Stack Overflow...</td>\n",
       "      <td>Stack Overflow;Stack Exchange;Stack Overflow f...</td>\n",
       "      <td>A few times per week</td>\n",
       "      <td>Yes</td>\n",
       "      <td>A few times per week</td>\n",
       "      <td>Yes, somewhat</td>\n",
       "      <td>No</td>\n",
       "      <td>18-24 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>Hispanic or Latino/a/x</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Easy</td>\n",
       "      <td>21168.0</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "       ResponseId                      MainBranch  \\\n",
       "83434       83435  I am a developer by profession   \n",
       "83435       83436  I am a developer by profession   \n",
       "83436       83437  I am a developer by profession   \n",
       "83437       83438  I am a developer by profession   \n",
       "83438       83439  I am a developer by profession   \n",
       "\n",
       "                                              Employment  \\\n",
       "83434                                 Employed full-time   \n",
       "83435  Independent contractor, freelancer, or self-em...   \n",
       "83436                                 Employed full-time   \n",
       "83437                                 Employed full-time   \n",
       "83438                                 Employed full-time   \n",
       "\n",
       "                        Country    US_State UK_Country  \\\n",
       "83434  United States of America       Texas        NaN   \n",
       "83435                     Benin         NaN        NaN   \n",
       "83436  United States of America  New Jersey        NaN   \n",
       "83437                    Canada         NaN        NaN   \n",
       "83438                    Brazil         NaN        NaN   \n",
       "\n",
       "                                                 EdLevel     Age1stCode  \\\n",
       "83434       Bachelor’s degree (B.A., B.S., B.Eng., etc.)  11 - 17 years   \n",
       "83435       Bachelor’s degree (B.A., B.S., B.Eng., etc.)  11 - 17 years   \n",
       "83436  Secondary school (e.g. American high school, G...  11 - 17 years   \n",
       "83437       Bachelor’s degree (B.A., B.S., B.Eng., etc.)  11 - 17 years   \n",
       "83438                 Professional degree (JD, MD, etc.)  11 - 17 years   \n",
       "\n",
       "                                               LearnCode YearsCode  \\\n",
       "83434  Other online resources (ex: videos, blogs, etc...         6   \n",
       "83435  Other online resources (ex: videos, blogs, etc...         4   \n",
       "83436                                             School        10   \n",
       "83437  Online Courses or Certification;Books / Physic...         5   \n",
       "83438                                             School        14   \n",
       "\n",
       "      YearsCodePro                                            DevType  \\\n",
       "83434            5                                Developer, back-end   \n",
       "83435            2                              Developer, full-stack   \n",
       "83436            4  Data scientist or machine learning specialist;...   \n",
       "83437            3                                Developer, back-end   \n",
       "83438            4  Developer, front-end;Developer, full-stack;Dev...   \n",
       "\n",
       "                                                 OrgSize  \\\n",
       "83434                                 20 to 99 employees   \n",
       "83435  Just me - I am a freelancer, sole proprietor, ...   \n",
       "83436                           10,000 or more employees   \n",
       "83437                                 20 to 99 employees   \n",
       "83438                                       I don’t know   \n",
       "\n",
       "                          Currency  CompTotal CompFreq  \\\n",
       "83434    USD\\tUnited States dollar   160500.0   Yearly   \n",
       "83435  XOF\\tWest African CFA franc   200000.0  Monthly   \n",
       "83436    USD\\tUnited States dollar     1800.0   Weekly   \n",
       "83437         CAD\\tCanadian dollar    90000.0  Monthly   \n",
       "83438          BRL\\tBrazilian real     7700.0  Monthly   \n",
       "\n",
       "                       LanguageHaveWorkedWith  \\\n",
       "83434                      Clojure;Kotlin;SQL   \n",
       "83435                                     NaN   \n",
       "83436                      Groovy;Java;Python   \n",
       "83437    Bash/Shell;JavaScript;Node.js;Python   \n",
       "83438  Delphi;Elixir;HTML/CSS;Java;JavaScript   \n",
       "\n",
       "                                  LanguageWantToWorkWith  \\\n",
       "83434                                            Clojure   \n",
       "83435                                                NaN   \n",
       "83436                                        Java;Python   \n",
       "83437                                            Go;Rust   \n",
       "83438  Elixir;HTML/CSS;Java;JavaScript;Node.js;PHP;SQ...   \n",
       "\n",
       "                                 DatabaseHaveWorkedWith  \\\n",
       "83434                                     Oracle;SQLite   \n",
       "83435    Firebase;MariaDB;MySQL;PostgreSQL;Redis;SQLite   \n",
       "83436   DynamoDB;Elasticsearch;MongoDB;PostgreSQL;Redis   \n",
       "83437  Cassandra;Elasticsearch;MongoDB;PostgreSQL;Redis   \n",
       "83438                                 Oracle;PostgreSQL   \n",
       "\n",
       "                                  DatabaseWantToWorkWith  \\\n",
       "83434                                             SQLite   \n",
       "83435  Firebase;MariaDB;MongoDB;MySQL;PostgreSQL;Redi...   \n",
       "83436                                     DynamoDB;Redis   \n",
       "83437                                                NaN   \n",
       "83438  Elasticsearch;MongoDB;MySQL;Oracle;PostgreSQL;...   \n",
       "\n",
       "          PlatformHaveWorkedWith PlatformWantToWorkWith  \\\n",
       "83434                        AWS                    AWS   \n",
       "83435                        NaN                    NaN   \n",
       "83436  AWS;Google Cloud Platform                    AWS   \n",
       "83437                     Heroku       AWS;DigitalOcean   \n",
       "83438            Microsoft Azure                    AWS   \n",
       "\n",
       "                             WebframeHaveWorkedWith  \\\n",
       "83434                                           NaN   \n",
       "83435  Django;jQuery;Laravel;React.js;Ruby on Rails   \n",
       "83436                                 FastAPI;Flask   \n",
       "83437                 Django;Express;Flask;React.js   \n",
       "83438                                Angular;Spring   \n",
       "\n",
       "                                  WebframeWantToWorkWith  \\\n",
       "83434                                                NaN   \n",
       "83435  Django;Express;jQuery;Laravel;React.js;Ruby on...   \n",
       "83436                                      FastAPI;Flask   \n",
       "83437                                                NaN   \n",
       "83438                     Express;Laravel;Spring;Symfony   \n",
       "\n",
       "                      MiscTechHaveWorkedWith  \\\n",
       "83434                                    NaN   \n",
       "83435                             Flutter;Qt   \n",
       "83436              Hadoop;Keras;NumPy;Pandas   \n",
       "83437  NumPy;Pandas;TensorFlow;Torch/PyTorch   \n",
       "83438                                    NaN   \n",
       "\n",
       "                                  MiscTechWantToWorkWith  \\\n",
       "83434                                                NaN   \n",
       "83435                                                NaN   \n",
       "83436  Apache Spark;Hadoop;Keras;NumPy;Pandas;TensorFlow   \n",
       "83437              NumPy;Pandas;TensorFlow;Torch/PyTorch   \n",
       "83438                                                NaN   \n",
       "\n",
       "            ToolsTechHaveWorkedWith          ToolsTechWantToWorkWith  \\\n",
       "83434                    Docker;Git                   Git;Kubernetes   \n",
       "83435    Git;Unity 3D;Unreal Engine            Docker;Git;Kubernetes   \n",
       "83436  Ansible;Docker;Git;Terraform  Docker;Git;Kubernetes;Terraform   \n",
       "83437  Ansible;Docker;Git;Terraform             Kubernetes;Terraform   \n",
       "83438                    Docker;Git            Docker;Git;Kubernetes   \n",
       "\n",
       "                            NEWCollabToolsHaveWorkedWith  \\\n",
       "83434       IntelliJ;Sublime Text;Vim;Visual Studio Code   \n",
       "83435  Android Studio;Eclipse;Emacs;IntelliJ;NetBeans...   \n",
       "83436  Android Studio;Eclipse;IntelliJ;IPython/Jupyte...   \n",
       "83437                               PyCharm;Sublime Text   \n",
       "83438                        IntelliJ;Visual Studio Code   \n",
       "\n",
       "                            NEWCollabToolsWantToWorkWith        OpSys  \\\n",
       "83434                                   Sublime Text;Vim        MacOS   \n",
       "83435  Emacs;IntelliJ;PHPStorm;PyCharm;RStudio;Sublim...  Linux-based   \n",
       "83436             IntelliJ;IPython/Jupyter;Notepad++;Vim      Windows   \n",
       "83437                                                NaN        MacOS   \n",
       "83438               IntelliJ;PHPStorm;Visual Studio Code  Linux-based   \n",
       "\n",
       "                                                NEWStuck  \\\n",
       "83434                Call a coworker or friend;Google it   \n",
       "83435  Call a coworker or friend;Visit Stack Overflow...   \n",
       "83436  Call a coworker or friend;Visit Stack Overflow...   \n",
       "83437  Call a coworker or friend;Visit Stack Overflow...   \n",
       "83438  Call a coworker or friend;Visit Stack Overflow...   \n",
       "\n",
       "                                              NEWSOSites  \\\n",
       "83434                      Stack Overflow;Stack Exchange   \n",
       "83435                      Stack Overflow;Stack Exchange   \n",
       "83436                      Stack Overflow;Stack Exchange   \n",
       "83437                                     Stack Overflow   \n",
       "83438  Stack Overflow;Stack Exchange;Stack Overflow f...   \n",
       "\n",
       "                           SOVisitFreq SOAccount  \\\n",
       "83434             A few times per week        No   \n",
       "83435           Multiple times per day       Yes   \n",
       "83436             A few times per week       Yes   \n",
       "83437  A few times per month or weekly       Yes   \n",
       "83438             A few times per week       Yes   \n",
       "\n",
       "                                              SOPartFreq          SOComm  \\\n",
       "83434                                                NaN  No, not at all   \n",
       "83435  I have never participated in Q&A on Stack Over...   Yes, somewhat   \n",
       "83436  I have never participated in Q&A on Stack Over...  No, not really   \n",
       "83437                Less than once per month or monthly  No, not really   \n",
       "83438                               A few times per week   Yes, somewhat   \n",
       "\n",
       "      NEWOtherComms              Age Gender Trans                Sexuality  \\\n",
       "83434            No  25-34 years old    Man    No  Straight / Heterosexual   \n",
       "83435            No  18-24 years old    Man    No  Straight / Heterosexual   \n",
       "83436            No  25-34 years old    Man    No                      NaN   \n",
       "83437            No  25-34 years old    Man    No  Straight / Heterosexual   \n",
       "83438            No  18-24 years old    Man    No  Straight / Heterosexual   \n",
       "\n",
       "                          Ethnicity      Accessibility  \\\n",
       "83434  White or of European descent  None of the above   \n",
       "83435   Black or of African descent  None of the above   \n",
       "83436  White or of European descent  None of the above   \n",
       "83437  White or of European descent  None of the above   \n",
       "83438        Hispanic or Latino/a/x  None of the above   \n",
       "\n",
       "                                            MentalHealth  \\\n",
       "83434  I have a concentration and/or memory disorder ...   \n",
       "83435                                  None of the above   \n",
       "83436                                  None of the above   \n",
       "83437  I have a mood or emotional disorder (e.g. depr...   \n",
       "83438                                  None of the above   \n",
       "\n",
       "                SurveyLength                  SurveyEase  ConvertedCompYearly  \n",
       "83434  Appropriate in length                        Easy             160500.0  \n",
       "83435  Appropriate in length                        Easy               3960.0  \n",
       "83436  Appropriate in length  Neither easy nor difficult              90000.0  \n",
       "83437  Appropriate in length  Neither easy nor difficult             816816.0  \n",
       "83438  Appropriate in length                        Easy              21168.0  "
      ]
     },
     "execution_count": 13,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "answers.tail()"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "2380b1ca",
   "metadata": {},
   "source": [
    "### Para visualizar as 10 últimas linhas do DataFrame"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 14,
   "id": "e56c7814",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>ResponseId</th>\n",
       "      <th>MainBranch</th>\n",
       "      <th>Employment</th>\n",
       "      <th>Country</th>\n",
       "      <th>US_State</th>\n",
       "      <th>UK_Country</th>\n",
       "      <th>EdLevel</th>\n",
       "      <th>Age1stCode</th>\n",
       "      <th>LearnCode</th>\n",
       "      <th>YearsCode</th>\n",
       "      <th>YearsCodePro</th>\n",
       "      <th>DevType</th>\n",
       "      <th>OrgSize</th>\n",
       "      <th>Currency</th>\n",
       "      <th>CompTotal</th>\n",
       "      <th>CompFreq</th>\n",
       "      <th>LanguageHaveWorkedWith</th>\n",
       "      <th>LanguageWantToWorkWith</th>\n",
       "      <th>DatabaseHaveWorkedWith</th>\n",
       "      <th>DatabaseWantToWorkWith</th>\n",
       "      <th>PlatformHaveWorkedWith</th>\n",
       "      <th>PlatformWantToWorkWith</th>\n",
       "      <th>WebframeHaveWorkedWith</th>\n",
       "      <th>WebframeWantToWorkWith</th>\n",
       "      <th>MiscTechHaveWorkedWith</th>\n",
       "      <th>MiscTechWantToWorkWith</th>\n",
       "      <th>ToolsTechHaveWorkedWith</th>\n",
       "      <th>ToolsTechWantToWorkWith</th>\n",
       "      <th>NEWCollabToolsHaveWorkedWith</th>\n",
       "      <th>NEWCollabToolsWantToWorkWith</th>\n",
       "      <th>OpSys</th>\n",
       "      <th>NEWStuck</th>\n",
       "      <th>NEWSOSites</th>\n",
       "      <th>SOVisitFreq</th>\n",
       "      <th>SOAccount</th>\n",
       "      <th>SOPartFreq</th>\n",
       "      <th>SOComm</th>\n",
       "      <th>NEWOtherComms</th>\n",
       "      <th>Age</th>\n",
       "      <th>Gender</th>\n",
       "      <th>Trans</th>\n",
       "      <th>Sexuality</th>\n",
       "      <th>Ethnicity</th>\n",
       "      <th>Accessibility</th>\n",
       "      <th>MentalHealth</th>\n",
       "      <th>SurveyLength</th>\n",
       "      <th>SurveyEase</th>\n",
       "      <th>ConvertedCompYearly</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>83429</th>\n",
       "      <td>83430</td>\n",
       "      <td>I code primarily as a hobby</td>\n",
       "      <td>Not employed, but looking for work</td>\n",
       "      <td>United States of America</td>\n",
       "      <td>Washington</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Bachelor’s degree (B.A., B.S., B.Eng., etc.)</td>\n",
       "      <td>18 - 24 years</td>\n",
       "      <td>Other online resources (ex: videos, blogs, etc)</td>\n",
       "      <td>6</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Other (please specify):;Student</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>HTML/CSS;PHP;PowerShell;Python;SQL;VBA</td>\n",
       "      <td>C#;Go;HTML/CSS;Java;JavaScript;PHP;Python;SQL;VBA</td>\n",
       "      <td>MongoDB;MySQL;PostgreSQL</td>\n",
       "      <td>MariaDB;Microsoft SQL Server;MongoDB;MySQL;Pos...</td>\n",
       "      <td>Heroku</td>\n",
       "      <td>AWS;Heroku;IBM Cloud or Watson;Microsoft Azure...</td>\n",
       "      <td>Django;Flask;jQuery</td>\n",
       "      <td>Angular.js;ASP.NET;ASP.NET Core ;Django;FastAP...</td>\n",
       "      <td>NumPy;Pandas</td>\n",
       "      <td>.NET Framework;.NET Core / .NET 5;NumPy;Pandas</td>\n",
       "      <td>Git</td>\n",
       "      <td>Docker;Git;Xamarin</td>\n",
       "      <td>Atom;Notepad++;Sublime Text;Visual Studio Code</td>\n",
       "      <td>Atom;Notepad++;Sublime Text;Visual Studio Code</td>\n",
       "      <td>Windows</td>\n",
       "      <td>Visit Stack Overflow;Google it;Watch help / tu...</td>\n",
       "      <td>Stack Overflow;Stack Exchange</td>\n",
       "      <td>A few times per month or weekly</td>\n",
       "      <td>Not sure/can't remember</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Yes, somewhat</td>\n",
       "      <td>No</td>\n",
       "      <td>25-34 years old</td>\n",
       "      <td>Man;Or, in your own words:</td>\n",
       "      <td>Yes</td>\n",
       "      <td>Queer</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>I am unable to / find it difficult to walk or ...</td>\n",
       "      <td>I have an anxiety disorder</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Neither easy nor difficult</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>83430</th>\n",
       "      <td>83431</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>United States of America</td>\n",
       "      <td>Illinois</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Master’s degree (M.A., M.S., M.Eng., MBA, etc.)</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>Other online resources (ex: videos, blogs, etc...</td>\n",
       "      <td>23</td>\n",
       "      <td>21</td>\n",
       "      <td>Developer, front-end;Developer, full-stack;Dev...</td>\n",
       "      <td>10 to 19 employees</td>\n",
       "      <td>USD\\tUnited States dollar</td>\n",
       "      <td>125000.0</td>\n",
       "      <td>Yearly</td>\n",
       "      <td>APL;Clojure;LISP;Python;Ruby;SQL;TypeScript</td>\n",
       "      <td>APL;Clojure;Haskell;LISP;R</td>\n",
       "      <td>MongoDB;MySQL;PostgreSQL;Redis</td>\n",
       "      <td>PostgreSQL</td>\n",
       "      <td>AWS;DigitalOcean;Google Cloud Platform;Heroku</td>\n",
       "      <td>AWS;DigitalOcean;Google Cloud Platform</td>\n",
       "      <td>Django;React.js;Ruby on Rails</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Docker;Git</td>\n",
       "      <td>Docker;Git;Kubernetes;Unity 3D</td>\n",
       "      <td>Emacs;Vim</td>\n",
       "      <td>Emacs</td>\n",
       "      <td>Linux-based</td>\n",
       "      <td>Call a coworker or friend;Visit Stack Overflow...</td>\n",
       "      <td>Stack Overflow;Stack Exchange</td>\n",
       "      <td>A few times per week</td>\n",
       "      <td>No</td>\n",
       "      <td>NaN</td>\n",
       "      <td>No, not really</td>\n",
       "      <td>No</td>\n",
       "      <td>45-54 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Easy</td>\n",
       "      <td>125000.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>83431</th>\n",
       "      <td>83432</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Independent contractor, freelancer, or self-em...</td>\n",
       "      <td>Pakistan</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Bachelor’s degree (B.A., B.S., B.Eng., etc.)</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>Other online resources (ex: videos, blogs, etc...</td>\n",
       "      <td>9</td>\n",
       "      <td>4</td>\n",
       "      <td>Developer, mobile;Developer, desktop or enterp...</td>\n",
       "      <td>2 to 9 employees</td>\n",
       "      <td>PKR\\tPakistani rupee</td>\n",
       "      <td>150000.0</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>C#;Dart;HTML/CSS;Java;JavaScript;Kotlin;Node.j...</td>\n",
       "      <td>C#;Dart;HTML/CSS;JavaScript;Kotlin;Node.js;Pyt...</td>\n",
       "      <td>Firebase;MySQL;SQLite</td>\n",
       "      <td>DynamoDB;Firebase;MongoDB;MySQL;SQLite</td>\n",
       "      <td>Google Cloud Platform</td>\n",
       "      <td>AWS;Google Cloud Platform</td>\n",
       "      <td>Flask;jQuery</td>\n",
       "      <td>Angular;Django;Flask;jQuery;Laravel</td>\n",
       "      <td>Flutter</td>\n",
       "      <td>Flutter;Hadoop;NumPy;TensorFlow;Torch/PyTorch</td>\n",
       "      <td>Git</td>\n",
       "      <td>Docker;Git</td>\n",
       "      <td>Android Studio;IntelliJ;IPython/Jupyter;Notepa...</td>\n",
       "      <td>Android Studio;IntelliJ;IPython/Jupyter;PyChar...</td>\n",
       "      <td>Windows</td>\n",
       "      <td>Visit Stack Overflow;Go for a walk or other ph...</td>\n",
       "      <td>Stack Overflow;Stack Exchange</td>\n",
       "      <td>Multiple times per day</td>\n",
       "      <td>Yes</td>\n",
       "      <td>A few times per month or weekly</td>\n",
       "      <td>Yes, definitely</td>\n",
       "      <td>No</td>\n",
       "      <td>18-24 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>Southeast Asian</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Easy</td>\n",
       "      <td>11676.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>83432</th>\n",
       "      <td>83433</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>Canada</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Bachelor’s degree (B.A., B.S., B.Eng., etc.)</td>\n",
       "      <td>18 - 24 years</td>\n",
       "      <td>School</td>\n",
       "      <td>5</td>\n",
       "      <td>Less than 1 year</td>\n",
       "      <td>Developer, back-end</td>\n",
       "      <td>10,000 or more employees</td>\n",
       "      <td>CAD\\tCanadian dollar</td>\n",
       "      <td>106000.0</td>\n",
       "      <td>Yearly</td>\n",
       "      <td>Ruby</td>\n",
       "      <td>Java;Ruby;TypeScript</td>\n",
       "      <td>MySQL;PostgreSQL</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Google Cloud Platform;Heroku</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Flask;React.js;Ruby on Rails;Vue.js</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NumPy;Pandas;TensorFlow;Torch/PyTorch</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Docker;Git;Kubernetes;Yarn</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Atom;IPython/Jupyter;Vim;Visual Studio Code</td>\n",
       "      <td>NaN</td>\n",
       "      <td>MacOS</td>\n",
       "      <td>Visit Stack Overflow;Go for a walk or other ph...</td>\n",
       "      <td>Stack Overflow;Stack Exchange</td>\n",
       "      <td>Daily or almost daily</td>\n",
       "      <td>No</td>\n",
       "      <td>NaN</td>\n",
       "      <td>No, not really</td>\n",
       "      <td>No</td>\n",
       "      <td>18-24 years old</td>\n",
       "      <td>Woman</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>East Asian</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Easy</td>\n",
       "      <td>80169.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>83433</th>\n",
       "      <td>83434</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Independent contractor, freelancer, or self-em...</td>\n",
       "      <td>Brazil</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Bachelor’s degree (B.A., B.S., B.Eng., etc.)</td>\n",
       "      <td>18 - 24 years</td>\n",
       "      <td>Online Forum;Online Courses or Certification;O...</td>\n",
       "      <td>15</td>\n",
       "      <td>11</td>\n",
       "      <td>Developer, mobile;Developer, front-end;Develop...</td>\n",
       "      <td>1,000 to 4,999 employees</td>\n",
       "      <td>BRL\\tBrazilian real</td>\n",
       "      <td>80000.0</td>\n",
       "      <td>Yearly</td>\n",
       "      <td>Java;JavaScript;Kotlin;Objective-C;TypeScript</td>\n",
       "      <td>Kotlin</td>\n",
       "      <td>Firebase;MongoDB;MySQL;SQLite</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>React.js</td>\n",
       "      <td>NaN</td>\n",
       "      <td>React Native</td>\n",
       "      <td>Flutter</td>\n",
       "      <td>Docker;Git;Yarn</td>\n",
       "      <td>Docker;Git</td>\n",
       "      <td>Android Studio;Visual Studio Code;Xcode</td>\n",
       "      <td>Android Studio;Xcode</td>\n",
       "      <td>MacOS</td>\n",
       "      <td>Call a coworker or friend;Visit Stack Overflow...</td>\n",
       "      <td>Stack Overflow</td>\n",
       "      <td>Daily or almost daily</td>\n",
       "      <td>Yes</td>\n",
       "      <td>A few times per month or weekly</td>\n",
       "      <td>Yes, somewhat</td>\n",
       "      <td>No</td>\n",
       "      <td>25-34 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>Hispanic or Latino/a/x</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>I have an anxiety disorder</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Easy</td>\n",
       "      <td>18326.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>83434</th>\n",
       "      <td>83435</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>United States of America</td>\n",
       "      <td>Texas</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Bachelor’s degree (B.A., B.S., B.Eng., etc.)</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>Other online resources (ex: videos, blogs, etc...</td>\n",
       "      <td>6</td>\n",
       "      <td>5</td>\n",
       "      <td>Developer, back-end</td>\n",
       "      <td>20 to 99 employees</td>\n",
       "      <td>USD\\tUnited States dollar</td>\n",
       "      <td>160500.0</td>\n",
       "      <td>Yearly</td>\n",
       "      <td>Clojure;Kotlin;SQL</td>\n",
       "      <td>Clojure</td>\n",
       "      <td>Oracle;SQLite</td>\n",
       "      <td>SQLite</td>\n",
       "      <td>AWS</td>\n",
       "      <td>AWS</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Docker;Git</td>\n",
       "      <td>Git;Kubernetes</td>\n",
       "      <td>IntelliJ;Sublime Text;Vim;Visual Studio Code</td>\n",
       "      <td>Sublime Text;Vim</td>\n",
       "      <td>MacOS</td>\n",
       "      <td>Call a coworker or friend;Google it</td>\n",
       "      <td>Stack Overflow;Stack Exchange</td>\n",
       "      <td>A few times per week</td>\n",
       "      <td>No</td>\n",
       "      <td>NaN</td>\n",
       "      <td>No, not at all</td>\n",
       "      <td>No</td>\n",
       "      <td>25-34 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>I have a concentration and/or memory disorder ...</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Easy</td>\n",
       "      <td>160500.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>83435</th>\n",
       "      <td>83436</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Independent contractor, freelancer, or self-em...</td>\n",
       "      <td>Benin</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Bachelor’s degree (B.A., B.S., B.Eng., etc.)</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>Other online resources (ex: videos, blogs, etc...</td>\n",
       "      <td>4</td>\n",
       "      <td>2</td>\n",
       "      <td>Developer, full-stack</td>\n",
       "      <td>Just me - I am a freelancer, sole proprietor, ...</td>\n",
       "      <td>XOF\\tWest African CFA franc</td>\n",
       "      <td>200000.0</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Firebase;MariaDB;MySQL;PostgreSQL;Redis;SQLite</td>\n",
       "      <td>Firebase;MariaDB;MongoDB;MySQL;PostgreSQL;Redi...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Django;jQuery;Laravel;React.js;Ruby on Rails</td>\n",
       "      <td>Django;Express;jQuery;Laravel;React.js;Ruby on...</td>\n",
       "      <td>Flutter;Qt</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Git;Unity 3D;Unreal Engine</td>\n",
       "      <td>Docker;Git;Kubernetes</td>\n",
       "      <td>Android Studio;Eclipse;Emacs;IntelliJ;NetBeans...</td>\n",
       "      <td>Emacs;IntelliJ;PHPStorm;PyCharm;RStudio;Sublim...</td>\n",
       "      <td>Linux-based</td>\n",
       "      <td>Call a coworker or friend;Visit Stack Overflow...</td>\n",
       "      <td>Stack Overflow;Stack Exchange</td>\n",
       "      <td>Multiple times per day</td>\n",
       "      <td>Yes</td>\n",
       "      <td>I have never participated in Q&amp;A on Stack Over...</td>\n",
       "      <td>Yes, somewhat</td>\n",
       "      <td>No</td>\n",
       "      <td>18-24 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>Black or of African descent</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Easy</td>\n",
       "      <td>3960.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>83436</th>\n",
       "      <td>83437</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>United States of America</td>\n",
       "      <td>New Jersey</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Secondary school (e.g. American high school, G...</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>School</td>\n",
       "      <td>10</td>\n",
       "      <td>4</td>\n",
       "      <td>Data scientist or machine learning specialist;...</td>\n",
       "      <td>10,000 or more employees</td>\n",
       "      <td>USD\\tUnited States dollar</td>\n",
       "      <td>1800.0</td>\n",
       "      <td>Weekly</td>\n",
       "      <td>Groovy;Java;Python</td>\n",
       "      <td>Java;Python</td>\n",
       "      <td>DynamoDB;Elasticsearch;MongoDB;PostgreSQL;Redis</td>\n",
       "      <td>DynamoDB;Redis</td>\n",
       "      <td>AWS;Google Cloud Platform</td>\n",
       "      <td>AWS</td>\n",
       "      <td>FastAPI;Flask</td>\n",
       "      <td>FastAPI;Flask</td>\n",
       "      <td>Hadoop;Keras;NumPy;Pandas</td>\n",
       "      <td>Apache Spark;Hadoop;Keras;NumPy;Pandas;TensorFlow</td>\n",
       "      <td>Ansible;Docker;Git;Terraform</td>\n",
       "      <td>Docker;Git;Kubernetes;Terraform</td>\n",
       "      <td>Android Studio;Eclipse;IntelliJ;IPython/Jupyte...</td>\n",
       "      <td>IntelliJ;IPython/Jupyter;Notepad++;Vim</td>\n",
       "      <td>Windows</td>\n",
       "      <td>Call a coworker or friend;Visit Stack Overflow...</td>\n",
       "      <td>Stack Overflow;Stack Exchange</td>\n",
       "      <td>A few times per week</td>\n",
       "      <td>Yes</td>\n",
       "      <td>I have never participated in Q&amp;A on Stack Over...</td>\n",
       "      <td>No, not really</td>\n",
       "      <td>No</td>\n",
       "      <td>25-34 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>NaN</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Neither easy nor difficult</td>\n",
       "      <td>90000.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>83437</th>\n",
       "      <td>83438</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>Canada</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Bachelor’s degree (B.A., B.S., B.Eng., etc.)</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>Online Courses or Certification;Books / Physic...</td>\n",
       "      <td>5</td>\n",
       "      <td>3</td>\n",
       "      <td>Developer, back-end</td>\n",
       "      <td>20 to 99 employees</td>\n",
       "      <td>CAD\\tCanadian dollar</td>\n",
       "      <td>90000.0</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>Bash/Shell;JavaScript;Node.js;Python</td>\n",
       "      <td>Go;Rust</td>\n",
       "      <td>Cassandra;Elasticsearch;MongoDB;PostgreSQL;Redis</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Heroku</td>\n",
       "      <td>AWS;DigitalOcean</td>\n",
       "      <td>Django;Express;Flask;React.js</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NumPy;Pandas;TensorFlow;Torch/PyTorch</td>\n",
       "      <td>NumPy;Pandas;TensorFlow;Torch/PyTorch</td>\n",
       "      <td>Ansible;Docker;Git;Terraform</td>\n",
       "      <td>Kubernetes;Terraform</td>\n",
       "      <td>PyCharm;Sublime Text</td>\n",
       "      <td>NaN</td>\n",
       "      <td>MacOS</td>\n",
       "      <td>Call a coworker or friend;Visit Stack Overflow...</td>\n",
       "      <td>Stack Overflow</td>\n",
       "      <td>A few times per month or weekly</td>\n",
       "      <td>Yes</td>\n",
       "      <td>Less than once per month or monthly</td>\n",
       "      <td>No, not really</td>\n",
       "      <td>No</td>\n",
       "      <td>25-34 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>I have a mood or emotional disorder (e.g. depr...</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Neither easy nor difficult</td>\n",
       "      <td>816816.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>83438</th>\n",
       "      <td>83439</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>Brazil</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Professional degree (JD, MD, etc.)</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>School</td>\n",
       "      <td>14</td>\n",
       "      <td>4</td>\n",
       "      <td>Developer, front-end;Developer, full-stack;Dev...</td>\n",
       "      <td>I don’t know</td>\n",
       "      <td>BRL\\tBrazilian real</td>\n",
       "      <td>7700.0</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>Delphi;Elixir;HTML/CSS;Java;JavaScript</td>\n",
       "      <td>Elixir;HTML/CSS;Java;JavaScript;Node.js;PHP;SQ...</td>\n",
       "      <td>Oracle;PostgreSQL</td>\n",
       "      <td>Elasticsearch;MongoDB;MySQL;Oracle;PostgreSQL;...</td>\n",
       "      <td>Microsoft Azure</td>\n",
       "      <td>AWS</td>\n",
       "      <td>Angular;Spring</td>\n",
       "      <td>Express;Laravel;Spring;Symfony</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Docker;Git</td>\n",
       "      <td>Docker;Git;Kubernetes</td>\n",
       "      <td>IntelliJ;Visual Studio Code</td>\n",
       "      <td>IntelliJ;PHPStorm;Visual Studio Code</td>\n",
       "      <td>Linux-based</td>\n",
       "      <td>Call a coworker or friend;Visit Stack Overflow...</td>\n",
       "      <td>Stack Overflow;Stack Exchange;Stack Overflow f...</td>\n",
       "      <td>A few times per week</td>\n",
       "      <td>Yes</td>\n",
       "      <td>A few times per week</td>\n",
       "      <td>Yes, somewhat</td>\n",
       "      <td>No</td>\n",
       "      <td>18-24 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>Hispanic or Latino/a/x</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Easy</td>\n",
       "      <td>21168.0</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "       ResponseId                      MainBranch  \\\n",
       "83429       83430     I code primarily as a hobby   \n",
       "83430       83431  I am a developer by profession   \n",
       "83431       83432  I am a developer by profession   \n",
       "83432       83433  I am a developer by profession   \n",
       "83433       83434  I am a developer by profession   \n",
       "83434       83435  I am a developer by profession   \n",
       "83435       83436  I am a developer by profession   \n",
       "83436       83437  I am a developer by profession   \n",
       "83437       83438  I am a developer by profession   \n",
       "83438       83439  I am a developer by profession   \n",
       "\n",
       "                                              Employment  \\\n",
       "83429                 Not employed, but looking for work   \n",
       "83430                                 Employed full-time   \n",
       "83431  Independent contractor, freelancer, or self-em...   \n",
       "83432                                 Employed full-time   \n",
       "83433  Independent contractor, freelancer, or self-em...   \n",
       "83434                                 Employed full-time   \n",
       "83435  Independent contractor, freelancer, or self-em...   \n",
       "83436                                 Employed full-time   \n",
       "83437                                 Employed full-time   \n",
       "83438                                 Employed full-time   \n",
       "\n",
       "                        Country    US_State UK_Country  \\\n",
       "83429  United States of America  Washington        NaN   \n",
       "83430  United States of America    Illinois        NaN   \n",
       "83431                  Pakistan         NaN        NaN   \n",
       "83432                    Canada         NaN        NaN   \n",
       "83433                    Brazil         NaN        NaN   \n",
       "83434  United States of America       Texas        NaN   \n",
       "83435                     Benin         NaN        NaN   \n",
       "83436  United States of America  New Jersey        NaN   \n",
       "83437                    Canada         NaN        NaN   \n",
       "83438                    Brazil         NaN        NaN   \n",
       "\n",
       "                                                 EdLevel     Age1stCode  \\\n",
       "83429       Bachelor’s degree (B.A., B.S., B.Eng., etc.)  18 - 24 years   \n",
       "83430    Master’s degree (M.A., M.S., M.Eng., MBA, etc.)  11 - 17 years   \n",
       "83431       Bachelor’s degree (B.A., B.S., B.Eng., etc.)  11 - 17 years   \n",
       "83432       Bachelor’s degree (B.A., B.S., B.Eng., etc.)  18 - 24 years   \n",
       "83433       Bachelor’s degree (B.A., B.S., B.Eng., etc.)  18 - 24 years   \n",
       "83434       Bachelor’s degree (B.A., B.S., B.Eng., etc.)  11 - 17 years   \n",
       "83435       Bachelor’s degree (B.A., B.S., B.Eng., etc.)  11 - 17 years   \n",
       "83436  Secondary school (e.g. American high school, G...  11 - 17 years   \n",
       "83437       Bachelor’s degree (B.A., B.S., B.Eng., etc.)  11 - 17 years   \n",
       "83438                 Professional degree (JD, MD, etc.)  11 - 17 years   \n",
       "\n",
       "                                               LearnCode YearsCode  \\\n",
       "83429    Other online resources (ex: videos, blogs, etc)         6   \n",
       "83430  Other online resources (ex: videos, blogs, etc...        23   \n",
       "83431  Other online resources (ex: videos, blogs, etc...         9   \n",
       "83432                                             School         5   \n",
       "83433  Online Forum;Online Courses or Certification;O...        15   \n",
       "83434  Other online resources (ex: videos, blogs, etc...         6   \n",
       "83435  Other online resources (ex: videos, blogs, etc...         4   \n",
       "83436                                             School        10   \n",
       "83437  Online Courses or Certification;Books / Physic...         5   \n",
       "83438                                             School        14   \n",
       "\n",
       "           YearsCodePro                                            DevType  \\\n",
       "83429               NaN                    Other (please specify):;Student   \n",
       "83430                21  Developer, front-end;Developer, full-stack;Dev...   \n",
       "83431                 4  Developer, mobile;Developer, desktop or enterp...   \n",
       "83432  Less than 1 year                                Developer, back-end   \n",
       "83433                11  Developer, mobile;Developer, front-end;Develop...   \n",
       "83434                 5                                Developer, back-end   \n",
       "83435                 2                              Developer, full-stack   \n",
       "83436                 4  Data scientist or machine learning specialist;...   \n",
       "83437                 3                                Developer, back-end   \n",
       "83438                 4  Developer, front-end;Developer, full-stack;Dev...   \n",
       "\n",
       "                                                 OrgSize  \\\n",
       "83429                                                NaN   \n",
       "83430                                 10 to 19 employees   \n",
       "83431                                   2 to 9 employees   \n",
       "83432                           10,000 or more employees   \n",
       "83433                           1,000 to 4,999 employees   \n",
       "83434                                 20 to 99 employees   \n",
       "83435  Just me - I am a freelancer, sole proprietor, ...   \n",
       "83436                           10,000 or more employees   \n",
       "83437                                 20 to 99 employees   \n",
       "83438                                       I don’t know   \n",
       "\n",
       "                          Currency  CompTotal CompFreq  \\\n",
       "83429                          NaN        NaN      NaN   \n",
       "83430    USD\\tUnited States dollar   125000.0   Yearly   \n",
       "83431         PKR\\tPakistani rupee   150000.0  Monthly   \n",
       "83432         CAD\\tCanadian dollar   106000.0   Yearly   \n",
       "83433          BRL\\tBrazilian real    80000.0   Yearly   \n",
       "83434    USD\\tUnited States dollar   160500.0   Yearly   \n",
       "83435  XOF\\tWest African CFA franc   200000.0  Monthly   \n",
       "83436    USD\\tUnited States dollar     1800.0   Weekly   \n",
       "83437         CAD\\tCanadian dollar    90000.0  Monthly   \n",
       "83438          BRL\\tBrazilian real     7700.0  Monthly   \n",
       "\n",
       "                                  LanguageHaveWorkedWith  \\\n",
       "83429             HTML/CSS;PHP;PowerShell;Python;SQL;VBA   \n",
       "83430        APL;Clojure;LISP;Python;Ruby;SQL;TypeScript   \n",
       "83431  C#;Dart;HTML/CSS;Java;JavaScript;Kotlin;Node.j...   \n",
       "83432                                               Ruby   \n",
       "83433      Java;JavaScript;Kotlin;Objective-C;TypeScript   \n",
       "83434                                 Clojure;Kotlin;SQL   \n",
       "83435                                                NaN   \n",
       "83436                                 Groovy;Java;Python   \n",
       "83437               Bash/Shell;JavaScript;Node.js;Python   \n",
       "83438             Delphi;Elixir;HTML/CSS;Java;JavaScript   \n",
       "\n",
       "                                  LanguageWantToWorkWith  \\\n",
       "83429  C#;Go;HTML/CSS;Java;JavaScript;PHP;Python;SQL;VBA   \n",
       "83430                         APL;Clojure;Haskell;LISP;R   \n",
       "83431  C#;Dart;HTML/CSS;JavaScript;Kotlin;Node.js;Pyt...   \n",
       "83432                               Java;Ruby;TypeScript   \n",
       "83433                                             Kotlin   \n",
       "83434                                            Clojure   \n",
       "83435                                                NaN   \n",
       "83436                                        Java;Python   \n",
       "83437                                            Go;Rust   \n",
       "83438  Elixir;HTML/CSS;Java;JavaScript;Node.js;PHP;SQ...   \n",
       "\n",
       "                                 DatabaseHaveWorkedWith  \\\n",
       "83429                          MongoDB;MySQL;PostgreSQL   \n",
       "83430                    MongoDB;MySQL;PostgreSQL;Redis   \n",
       "83431                             Firebase;MySQL;SQLite   \n",
       "83432                                  MySQL;PostgreSQL   \n",
       "83433                     Firebase;MongoDB;MySQL;SQLite   \n",
       "83434                                     Oracle;SQLite   \n",
       "83435    Firebase;MariaDB;MySQL;PostgreSQL;Redis;SQLite   \n",
       "83436   DynamoDB;Elasticsearch;MongoDB;PostgreSQL;Redis   \n",
       "83437  Cassandra;Elasticsearch;MongoDB;PostgreSQL;Redis   \n",
       "83438                                 Oracle;PostgreSQL   \n",
       "\n",
       "                                  DatabaseWantToWorkWith  \\\n",
       "83429  MariaDB;Microsoft SQL Server;MongoDB;MySQL;Pos...   \n",
       "83430                                         PostgreSQL   \n",
       "83431             DynamoDB;Firebase;MongoDB;MySQL;SQLite   \n",
       "83432                                                NaN   \n",
       "83433                                                NaN   \n",
       "83434                                             SQLite   \n",
       "83435  Firebase;MariaDB;MongoDB;MySQL;PostgreSQL;Redi...   \n",
       "83436                                     DynamoDB;Redis   \n",
       "83437                                                NaN   \n",
       "83438  Elasticsearch;MongoDB;MySQL;Oracle;PostgreSQL;...   \n",
       "\n",
       "                              PlatformHaveWorkedWith  \\\n",
       "83429                                         Heroku   \n",
       "83430  AWS;DigitalOcean;Google Cloud Platform;Heroku   \n",
       "83431                          Google Cloud Platform   \n",
       "83432                   Google Cloud Platform;Heroku   \n",
       "83433                                            NaN   \n",
       "83434                                            AWS   \n",
       "83435                                            NaN   \n",
       "83436                      AWS;Google Cloud Platform   \n",
       "83437                                         Heroku   \n",
       "83438                                Microsoft Azure   \n",
       "\n",
       "                                  PlatformWantToWorkWith  \\\n",
       "83429  AWS;Heroku;IBM Cloud or Watson;Microsoft Azure...   \n",
       "83430             AWS;DigitalOcean;Google Cloud Platform   \n",
       "83431                          AWS;Google Cloud Platform   \n",
       "83432                                                NaN   \n",
       "83433                                                NaN   \n",
       "83434                                                AWS   \n",
       "83435                                                NaN   \n",
       "83436                                                AWS   \n",
       "83437                                   AWS;DigitalOcean   \n",
       "83438                                                AWS   \n",
       "\n",
       "                             WebframeHaveWorkedWith  \\\n",
       "83429                           Django;Flask;jQuery   \n",
       "83430                 Django;React.js;Ruby on Rails   \n",
       "83431                                  Flask;jQuery   \n",
       "83432           Flask;React.js;Ruby on Rails;Vue.js   \n",
       "83433                                      React.js   \n",
       "83434                                           NaN   \n",
       "83435  Django;jQuery;Laravel;React.js;Ruby on Rails   \n",
       "83436                                 FastAPI;Flask   \n",
       "83437                 Django;Express;Flask;React.js   \n",
       "83438                                Angular;Spring   \n",
       "\n",
       "                                  WebframeWantToWorkWith  \\\n",
       "83429  Angular.js;ASP.NET;ASP.NET Core ;Django;FastAP...   \n",
       "83430                                                NaN   \n",
       "83431                Angular;Django;Flask;jQuery;Laravel   \n",
       "83432                                                NaN   \n",
       "83433                                                NaN   \n",
       "83434                                                NaN   \n",
       "83435  Django;Express;jQuery;Laravel;React.js;Ruby on...   \n",
       "83436                                      FastAPI;Flask   \n",
       "83437                                                NaN   \n",
       "83438                     Express;Laravel;Spring;Symfony   \n",
       "\n",
       "                      MiscTechHaveWorkedWith  \\\n",
       "83429                           NumPy;Pandas   \n",
       "83430                                    NaN   \n",
       "83431                                Flutter   \n",
       "83432  NumPy;Pandas;TensorFlow;Torch/PyTorch   \n",
       "83433                           React Native   \n",
       "83434                                    NaN   \n",
       "83435                             Flutter;Qt   \n",
       "83436              Hadoop;Keras;NumPy;Pandas   \n",
       "83437  NumPy;Pandas;TensorFlow;Torch/PyTorch   \n",
       "83438                                    NaN   \n",
       "\n",
       "                                  MiscTechWantToWorkWith  \\\n",
       "83429     .NET Framework;.NET Core / .NET 5;NumPy;Pandas   \n",
       "83430                                                NaN   \n",
       "83431      Flutter;Hadoop;NumPy;TensorFlow;Torch/PyTorch   \n",
       "83432                                                NaN   \n",
       "83433                                            Flutter   \n",
       "83434                                                NaN   \n",
       "83435                                                NaN   \n",
       "83436  Apache Spark;Hadoop;Keras;NumPy;Pandas;TensorFlow   \n",
       "83437              NumPy;Pandas;TensorFlow;Torch/PyTorch   \n",
       "83438                                                NaN   \n",
       "\n",
       "            ToolsTechHaveWorkedWith          ToolsTechWantToWorkWith  \\\n",
       "83429                           Git               Docker;Git;Xamarin   \n",
       "83430                    Docker;Git   Docker;Git;Kubernetes;Unity 3D   \n",
       "83431                           Git                       Docker;Git   \n",
       "83432    Docker;Git;Kubernetes;Yarn                              NaN   \n",
       "83433               Docker;Git;Yarn                       Docker;Git   \n",
       "83434                    Docker;Git                   Git;Kubernetes   \n",
       "83435    Git;Unity 3D;Unreal Engine            Docker;Git;Kubernetes   \n",
       "83436  Ansible;Docker;Git;Terraform  Docker;Git;Kubernetes;Terraform   \n",
       "83437  Ansible;Docker;Git;Terraform             Kubernetes;Terraform   \n",
       "83438                    Docker;Git            Docker;Git;Kubernetes   \n",
       "\n",
       "                            NEWCollabToolsHaveWorkedWith  \\\n",
       "83429     Atom;Notepad++;Sublime Text;Visual Studio Code   \n",
       "83430                                          Emacs;Vim   \n",
       "83431  Android Studio;IntelliJ;IPython/Jupyter;Notepa...   \n",
       "83432        Atom;IPython/Jupyter;Vim;Visual Studio Code   \n",
       "83433            Android Studio;Visual Studio Code;Xcode   \n",
       "83434       IntelliJ;Sublime Text;Vim;Visual Studio Code   \n",
       "83435  Android Studio;Eclipse;Emacs;IntelliJ;NetBeans...   \n",
       "83436  Android Studio;Eclipse;IntelliJ;IPython/Jupyte...   \n",
       "83437                               PyCharm;Sublime Text   \n",
       "83438                        IntelliJ;Visual Studio Code   \n",
       "\n",
       "                            NEWCollabToolsWantToWorkWith        OpSys  \\\n",
       "83429     Atom;Notepad++;Sublime Text;Visual Studio Code      Windows   \n",
       "83430                                              Emacs  Linux-based   \n",
       "83431  Android Studio;IntelliJ;IPython/Jupyter;PyChar...      Windows   \n",
       "83432                                                NaN        MacOS   \n",
       "83433                               Android Studio;Xcode        MacOS   \n",
       "83434                                   Sublime Text;Vim        MacOS   \n",
       "83435  Emacs;IntelliJ;PHPStorm;PyCharm;RStudio;Sublim...  Linux-based   \n",
       "83436             IntelliJ;IPython/Jupyter;Notepad++;Vim      Windows   \n",
       "83437                                                NaN        MacOS   \n",
       "83438               IntelliJ;PHPStorm;Visual Studio Code  Linux-based   \n",
       "\n",
       "                                                NEWStuck  \\\n",
       "83429  Visit Stack Overflow;Google it;Watch help / tu...   \n",
       "83430  Call a coworker or friend;Visit Stack Overflow...   \n",
       "83431  Visit Stack Overflow;Go for a walk or other ph...   \n",
       "83432  Visit Stack Overflow;Go for a walk or other ph...   \n",
       "83433  Call a coworker or friend;Visit Stack Overflow...   \n",
       "83434                Call a coworker or friend;Google it   \n",
       "83435  Call a coworker or friend;Visit Stack Overflow...   \n",
       "83436  Call a coworker or friend;Visit Stack Overflow...   \n",
       "83437  Call a coworker or friend;Visit Stack Overflow...   \n",
       "83438  Call a coworker or friend;Visit Stack Overflow...   \n",
       "\n",
       "                                              NEWSOSites  \\\n",
       "83429                      Stack Overflow;Stack Exchange   \n",
       "83430                      Stack Overflow;Stack Exchange   \n",
       "83431                      Stack Overflow;Stack Exchange   \n",
       "83432                      Stack Overflow;Stack Exchange   \n",
       "83433                                     Stack Overflow   \n",
       "83434                      Stack Overflow;Stack Exchange   \n",
       "83435                      Stack Overflow;Stack Exchange   \n",
       "83436                      Stack Overflow;Stack Exchange   \n",
       "83437                                     Stack Overflow   \n",
       "83438  Stack Overflow;Stack Exchange;Stack Overflow f...   \n",
       "\n",
       "                           SOVisitFreq                SOAccount  \\\n",
       "83429  A few times per month or weekly  Not sure/can't remember   \n",
       "83430             A few times per week                       No   \n",
       "83431           Multiple times per day                      Yes   \n",
       "83432            Daily or almost daily                       No   \n",
       "83433            Daily or almost daily                      Yes   \n",
       "83434             A few times per week                       No   \n",
       "83435           Multiple times per day                      Yes   \n",
       "83436             A few times per week                      Yes   \n",
       "83437  A few times per month or weekly                      Yes   \n",
       "83438             A few times per week                      Yes   \n",
       "\n",
       "                                              SOPartFreq           SOComm  \\\n",
       "83429                                                NaN    Yes, somewhat   \n",
       "83430                                                NaN   No, not really   \n",
       "83431                    A few times per month or weekly  Yes, definitely   \n",
       "83432                                                NaN   No, not really   \n",
       "83433                    A few times per month or weekly    Yes, somewhat   \n",
       "83434                                                NaN   No, not at all   \n",
       "83435  I have never participated in Q&A on Stack Over...    Yes, somewhat   \n",
       "83436  I have never participated in Q&A on Stack Over...   No, not really   \n",
       "83437                Less than once per month or monthly   No, not really   \n",
       "83438                               A few times per week    Yes, somewhat   \n",
       "\n",
       "      NEWOtherComms              Age                      Gender Trans  \\\n",
       "83429            No  25-34 years old  Man;Or, in your own words:   Yes   \n",
       "83430            No  45-54 years old                         Man    No   \n",
       "83431            No  18-24 years old                         Man    No   \n",
       "83432            No  18-24 years old                       Woman    No   \n",
       "83433            No  25-34 years old                         Man    No   \n",
       "83434            No  25-34 years old                         Man    No   \n",
       "83435            No  18-24 years old                         Man    No   \n",
       "83436            No  25-34 years old                         Man    No   \n",
       "83437            No  25-34 years old                         Man    No   \n",
       "83438            No  18-24 years old                         Man    No   \n",
       "\n",
       "                     Sexuality                     Ethnicity  \\\n",
       "83429                    Queer  White or of European descent   \n",
       "83430  Straight / Heterosexual  White or of European descent   \n",
       "83431  Straight / Heterosexual               Southeast Asian   \n",
       "83432  Straight / Heterosexual                    East Asian   \n",
       "83433  Straight / Heterosexual        Hispanic or Latino/a/x   \n",
       "83434  Straight / Heterosexual  White or of European descent   \n",
       "83435  Straight / Heterosexual   Black or of African descent   \n",
       "83436                      NaN  White or of European descent   \n",
       "83437  Straight / Heterosexual  White or of European descent   \n",
       "83438  Straight / Heterosexual        Hispanic or Latino/a/x   \n",
       "\n",
       "                                           Accessibility  \\\n",
       "83429  I am unable to / find it difficult to walk or ...   \n",
       "83430                                  None of the above   \n",
       "83431                                  None of the above   \n",
       "83432                                  None of the above   \n",
       "83433                                  None of the above   \n",
       "83434                                  None of the above   \n",
       "83435                                  None of the above   \n",
       "83436                                  None of the above   \n",
       "83437                                  None of the above   \n",
       "83438                                  None of the above   \n",
       "\n",
       "                                            MentalHealth  \\\n",
       "83429                         I have an anxiety disorder   \n",
       "83430                                  None of the above   \n",
       "83431                                  None of the above   \n",
       "83432                                  None of the above   \n",
       "83433                         I have an anxiety disorder   \n",
       "83434  I have a concentration and/or memory disorder ...   \n",
       "83435                                  None of the above   \n",
       "83436                                  None of the above   \n",
       "83437  I have a mood or emotional disorder (e.g. depr...   \n",
       "83438                                  None of the above   \n",
       "\n",
       "                SurveyLength                  SurveyEase  ConvertedCompYearly  \n",
       "83429  Appropriate in length  Neither easy nor difficult                  NaN  \n",
       "83430  Appropriate in length                        Easy             125000.0  \n",
       "83431  Appropriate in length                        Easy              11676.0  \n",
       "83432  Appropriate in length                        Easy              80169.0  \n",
       "83433  Appropriate in length                        Easy              18326.0  \n",
       "83434  Appropriate in length                        Easy             160500.0  \n",
       "83435  Appropriate in length                        Easy               3960.0  \n",
       "83436  Appropriate in length  Neither easy nor difficult              90000.0  \n",
       "83437  Appropriate in length  Neither easy nor difficult             816816.0  \n",
       "83438  Appropriate in length                        Easy              21168.0  "
      ]
     },
     "execution_count": 14,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "answers.tail(10)"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "073b0e51",
   "metadata": {},
   "source": [
    "## DataFrames e Series"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "15e2b12e",
   "metadata": {},
   "source": [
    "### Para criar um DataFrame"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 15,
   "id": "b8374bd8",
   "metadata": {},
   "outputs": [],
   "source": [
    "students = {\n",
    "    \"name\": [\"Francisco Gonçalves\", \"Carlos Costa\", \"Maria Almeida\"],\n",
    "    \"number\": [76433, 78944, 74822],\n",
    "    \"course\": [\"Direito\", \"Biologia\", \"Arquitetura\"]\n",
    "}"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 16,
   "id": "e1f5ea5b",
   "metadata": {},
   "outputs": [],
   "source": [
    "students_df = pd.DataFrame(students)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 17,
   "id": "696ba41e",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>name</th>\n",
       "      <th>number</th>\n",
       "      <th>course</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>Francisco Gonçalves</td>\n",
       "      <td>76433</td>\n",
       "      <td>Direito</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>Carlos Costa</td>\n",
       "      <td>78944</td>\n",
       "      <td>Biologia</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>Maria Almeida</td>\n",
       "      <td>74822</td>\n",
       "      <td>Arquitetura</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "                  name  number       course\n",
       "0  Francisco Gonçalves   76433      Direito\n",
       "1         Carlos Costa   78944     Biologia\n",
       "2        Maria Almeida   74822  Arquitetura"
      ]
     },
     "execution_count": 17,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "students_df"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "e543fb15",
   "metadata": {},
   "source": [
    "### Para aceder a uma certa coluna do DataFrame"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 18,
   "id": "2c61113e",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "0        Direito\n",
       "1       Biologia\n",
       "2    Arquitetura\n",
       "Name: course, dtype: object"
      ]
     },
     "execution_count": 18,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "students_df[\"course\"]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 19,
   "id": "960a5b35",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "0        Direito\n",
       "1       Biologia\n",
       "2    Arquitetura\n",
       "Name: course, dtype: object"
      ]
     },
     "execution_count": 19,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "students_df.course"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "be0d38e9",
   "metadata": {},
   "source": [
    "### Para aceder a múltiplas colunas do DataFrame"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 20,
   "id": "33e80efe",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>number</th>\n",
       "      <th>course</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>76433</td>\n",
       "      <td>Direito</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>78944</td>\n",
       "      <td>Biologia</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>74822</td>\n",
       "      <td>Arquitetura</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "   number       course\n",
       "0   76433      Direito\n",
       "1   78944     Biologia\n",
       "2   74822  Arquitetura"
      ]
     },
     "execution_count": 20,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "students_df[[\"number\", \"course\"]]"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "a0974df8",
   "metadata": {},
   "source": [
    "### Para aceder aos rótulos de todas as colunas do DataFrame"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 21,
   "id": "63fb5e2d",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "Index(['name', 'number', 'course'], dtype='object')"
      ]
     },
     "execution_count": 21,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "students_df.columns"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "b05a3195",
   "metadata": {},
   "source": [
    "### Para aceder à informação do primeiro aluno"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 22,
   "id": "0e2a942f",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "name      Francisco Gonçalves\n",
       "number                  76433\n",
       "course                Direito\n",
       "Name: 0, dtype: object"
      ]
     },
     "execution_count": 22,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "students_df.iloc[0]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 23,
   "id": "0a6ab5a7",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "name      Francisco Gonçalves\n",
       "number                  76433\n",
       "course                Direito\n",
       "Name: 0, dtype: object"
      ]
     },
     "execution_count": 23,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "students_df.loc[0]"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "44b3b92c",
   "metadata": {},
   "source": [
    "### Para aceder à informação dos dois primeiros alunos"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 24,
   "id": "a483c0a4",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>name</th>\n",
       "      <th>number</th>\n",
       "      <th>course</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>Francisco Gonçalves</td>\n",
       "      <td>76433</td>\n",
       "      <td>Direito</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>Carlos Costa</td>\n",
       "      <td>78944</td>\n",
       "      <td>Biologia</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "                  name  number    course\n",
       "0  Francisco Gonçalves   76433   Direito\n",
       "1         Carlos Costa   78944  Biologia"
      ]
     },
     "execution_count": 24,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "students_df.iloc[[0,1]]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 25,
   "id": "86a0ce42",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>name</th>\n",
       "      <th>number</th>\n",
       "      <th>course</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>Francisco Gonçalves</td>\n",
       "      <td>76433</td>\n",
       "      <td>Direito</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>Carlos Costa</td>\n",
       "      <td>78944</td>\n",
       "      <td>Biologia</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "                  name  number    course\n",
       "0  Francisco Gonçalves   76433   Direito\n",
       "1         Carlos Costa   78944  Biologia"
      ]
     },
     "execution_count": 25,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "students_df.loc[[0,1]]"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "4c800d24",
   "metadata": {},
   "source": [
    "### Para aceder ao curso dos dois primeiros alunos"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 26,
   "id": "9f472696",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "0     Direito\n",
       "1    Biologia\n",
       "Name: course, dtype: object"
      ]
     },
     "execution_count": 26,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "students_df.iloc[[0,1], 2]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 27,
   "id": "7787d418",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "0     Direito\n",
       "1    Biologia\n",
       "Name: course, dtype: object"
      ]
     },
     "execution_count": 27,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "students_df.loc[[0,1], \"course\"]"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "f3d85502",
   "metadata": {},
   "source": [
    "### Para aceder ao número e ao curso dos dois primeiros alunos"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 28,
   "id": "93466c01",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
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       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
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       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>number</th>\n",
       "      <th>course</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>76433</td>\n",
       "      <td>Direito</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>78944</td>\n",
       "      <td>Biologia</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "   number    course\n",
       "0   76433   Direito\n",
       "1   78944  Biologia"
      ]
     },
     "execution_count": 28,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "students_df.iloc[[0,1], [1,2]]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 29,
   "id": "6ffb4e85",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>number</th>\n",
       "      <th>course</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>76433</td>\n",
       "      <td>Direito</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>78944</td>\n",
       "      <td>Biologia</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "   number    course\n",
       "0   76433   Direito\n",
       "1   78944  Biologia"
      ]
     },
     "execution_count": 29,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "students_df.iloc[0:2, 1:3]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 30,
   "id": "c20a7469",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>number</th>\n",
       "      <th>course</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>76433</td>\n",
       "      <td>Direito</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>78944</td>\n",
       "      <td>Biologia</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "   number    course\n",
       "0   76433   Direito\n",
       "1   78944  Biologia"
      ]
     },
     "execution_count": 30,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "students_df.loc[[0,1], [\"number\", \"course\"]]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 31,
   "id": "483b03b2",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>number</th>\n",
       "      <th>course</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>76433</td>\n",
       "      <td>Direito</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>78944</td>\n",
       "      <td>Biologia</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "   number    course\n",
       "0   76433   Direito\n",
       "1   78944  Biologia"
      ]
     },
     "execution_count": 31,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "students_df.loc[0:1, \"number\":\"course\"]"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "2eda5bb4",
   "metadata": {},
   "source": [
    "<span style=\"color:red\">Nota:</span><br />\n",
    "- `iloc` é baseado nas posições inteiras<br />\n",
    "- `loc` é baseado nos rótulos"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "0e5558c0",
   "metadata": {},
   "source": [
    "## Índices"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "f0cc58c3",
   "metadata": {},
   "source": [
    "### Para visualizar o índice do DataFrame"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 32,
   "id": "366d7db9",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "RangeIndex(start=0, stop=3, step=1)"
      ]
     },
     "execution_count": 32,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "students_df.index"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "56a4971b",
   "metadata": {},
   "source": [
    "### Para definir a coluna _course_ como o novo índice"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 33,
   "id": "03e9b59a",
   "metadata": {},
   "outputs": [],
   "source": [
    "students_df.set_index(\"course\", inplace = True)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 34,
   "id": "2fe2d5ae",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>name</th>\n",
       "      <th>number</th>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>course</th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>Direito</th>\n",
       "      <td>Francisco Gonçalves</td>\n",
       "      <td>76433</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Biologia</th>\n",
       "      <td>Carlos Costa</td>\n",
       "      <td>78944</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Arquitetura</th>\n",
       "      <td>Maria Almeida</td>\n",
       "      <td>74822</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "                            name  number\n",
       "course                                  \n",
       "Direito      Francisco Gonçalves   76433\n",
       "Biologia            Carlos Costa   78944\n",
       "Arquitetura        Maria Almeida   74822"
      ]
     },
     "execution_count": 34,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "students_df"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "b4105408",
   "metadata": {},
   "source": [
    "### Para redefinir o índice"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 35,
   "id": "ed267b72",
   "metadata": {},
   "outputs": [],
   "source": [
    "students_df.reset_index(inplace=True)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 36,
   "id": "f914fb6d",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>course</th>\n",
       "      <th>name</th>\n",
       "      <th>number</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>Direito</td>\n",
       "      <td>Francisco Gonçalves</td>\n",
       "      <td>76433</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>Biologia</td>\n",
       "      <td>Carlos Costa</td>\n",
       "      <td>78944</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>Arquitetura</td>\n",
       "      <td>Maria Almeida</td>\n",
       "      <td>74822</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "        course                 name  number\n",
       "0      Direito  Francisco Gonçalves   76433\n",
       "1     Biologia         Carlos Costa   78944\n",
       "2  Arquitetura        Maria Almeida   74822"
      ]
     },
     "execution_count": 36,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "students_df"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "124e95fa",
   "metadata": {},
   "source": [
    "### Para definir a coluna _qname_ como índice aquando da leitura do CSV com as perguntas"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 37,
   "id": "90a953a7",
   "metadata": {},
   "outputs": [],
   "source": [
    "questions = pd.read_csv(\"stack-overflow-developer-survey-2021/survey_results_schema.csv\", index_col = \"qname\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 38,
   "id": "288f14ba",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>qid</th>\n",
       "      <th>question</th>\n",
       "      <th>force_resp</th>\n",
       "      <th>type</th>\n",
       "      <th>selector</th>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>qname</th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>S0</th>\n",
       "      <td>QID16</td>\n",
       "      <td>&lt;div&gt;&lt;span style=\"font-size:19px;\"&gt;&lt;strong&gt;Hel...</td>\n",
       "      <td>False</td>\n",
       "      <td>DB</td>\n",
       "      <td>TB</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>MetaInfo</th>\n",
       "      <td>QID12</td>\n",
       "      <td>Browser Meta Info</td>\n",
       "      <td>False</td>\n",
       "      <td>Meta</td>\n",
       "      <td>Browser</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>S1</th>\n",
       "      <td>QID1</td>\n",
       "      <td>&lt;span style=\"font-size:22px; font-family: aria...</td>\n",
       "      <td>False</td>\n",
       "      <td>DB</td>\n",
       "      <td>TB</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>MainBranch</th>\n",
       "      <td>QID2</td>\n",
       "      <td>Which of the following options best describes ...</td>\n",
       "      <td>True</td>\n",
       "      <td>MC</td>\n",
       "      <td>SAVR</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Employment</th>\n",
       "      <td>QID24</td>\n",
       "      <td>Which of the following best describes your cur...</td>\n",
       "      <td>False</td>\n",
       "      <td>MC</td>\n",
       "      <td>MAVR</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Country</th>\n",
       "      <td>QID6</td>\n",
       "      <td>Where do you live? &lt;span style=\"font-weight: b...</td>\n",
       "      <td>True</td>\n",
       "      <td>MC</td>\n",
       "      <td>DL</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>US_State</th>\n",
       "      <td>QID7</td>\n",
       "      <td>&lt;p&gt;In which state or territory of the USA do y...</td>\n",
       "      <td>False</td>\n",
       "      <td>MC</td>\n",
       "      <td>DL</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>UK_Country</th>\n",
       "      <td>QID9</td>\n",
       "      <td>In which part of the United Kingdom do you liv...</td>\n",
       "      <td>False</td>\n",
       "      <td>MC</td>\n",
       "      <td>DL</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>S2</th>\n",
       "      <td>QID190</td>\n",
       "      <td>&lt;span style=\"font-size:22px; font-family: aria...</td>\n",
       "      <td>False</td>\n",
       "      <td>DB</td>\n",
       "      <td>TB</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>EdLevel</th>\n",
       "      <td>QID25</td>\n",
       "      <td>Which of the following best describes the high...</td>\n",
       "      <td>False</td>\n",
       "      <td>MC</td>\n",
       "      <td>SAVR</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Age1stCode</th>\n",
       "      <td>QID149</td>\n",
       "      <td>At what age did you write your first line of c...</td>\n",
       "      <td>False</td>\n",
       "      <td>MC</td>\n",
       "      <td>MAVR</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>LearnCode</th>\n",
       "      <td>QID276</td>\n",
       "      <td>How did you learn to code? Select all that apply.</td>\n",
       "      <td>False</td>\n",
       "      <td>MC</td>\n",
       "      <td>MAVR</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>YearsCode</th>\n",
       "      <td>QID32</td>\n",
       "      <td>Including any education, how many years have y...</td>\n",
       "      <td>False</td>\n",
       "      <td>MC</td>\n",
       "      <td>DL</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>YearsCodePro</th>\n",
       "      <td>QID34</td>\n",
       "      <td>NOT including education, how many years have y...</td>\n",
       "      <td>False</td>\n",
       "      <td>MC</td>\n",
       "      <td>DL</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>DevType</th>\n",
       "      <td>QID31</td>\n",
       "      <td>Which of the following describes your current ...</td>\n",
       "      <td>False</td>\n",
       "      <td>MC</td>\n",
       "      <td>MAVR</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>OrgSize</th>\n",
       "      <td>QID29</td>\n",
       "      <td>Approximately how many people are employed by ...</td>\n",
       "      <td>False</td>\n",
       "      <td>MC</td>\n",
       "      <td>MAVR</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Currency</th>\n",
       "      <td>QID50</td>\n",
       "      <td>Which currency do you use day-to-day? If your ...</td>\n",
       "      <td>True</td>\n",
       "      <td>MC</td>\n",
       "      <td>SB</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>CompTotal</th>\n",
       "      <td>QID51</td>\n",
       "      <td>What is your current total compensation (salar...</td>\n",
       "      <td>False</td>\n",
       "      <td>TE</td>\n",
       "      <td>SL</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>CompFreq</th>\n",
       "      <td>QID52</td>\n",
       "      <td>Is that compensation weekly, monthly, or yearly?</td>\n",
       "      <td>False</td>\n",
       "      <td>MC</td>\n",
       "      <td>MAVR</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>S3</th>\n",
       "      <td>QID61</td>\n",
       "      <td>&lt;span style=\"font-size:22px; font-family: aria...</td>\n",
       "      <td>False</td>\n",
       "      <td>DB</td>\n",
       "      <td>TB</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Language</th>\n",
       "      <td>QID233</td>\n",
       "      <td>Which &lt;b&gt;programming, scripting, and markup la...</td>\n",
       "      <td>False</td>\n",
       "      <td>Matrix</td>\n",
       "      <td>Likert</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Database</th>\n",
       "      <td>QID262</td>\n",
       "      <td>Which &lt;b&gt;database environments &lt;/b&gt;have you do...</td>\n",
       "      <td>False</td>\n",
       "      <td>Matrix</td>\n",
       "      <td>Likert</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Platform</th>\n",
       "      <td>QID263</td>\n",
       "      <td>Which &lt;b&gt;cloud platforms&lt;/b&gt; have you done ext...</td>\n",
       "      <td>False</td>\n",
       "      <td>Matrix</td>\n",
       "      <td>Likert</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Webframe</th>\n",
       "      <td>QID264</td>\n",
       "      <td>Which &lt;strong&gt;web frameworks &lt;/strong&gt;&lt;span st...</td>\n",
       "      <td>False</td>\n",
       "      <td>Matrix</td>\n",
       "      <td>Likert</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>MiscTech</th>\n",
       "      <td>QID265</td>\n",
       "      <td>Which &lt;b&gt;other frameworks and libraries&lt;/b&gt; ha...</td>\n",
       "      <td>False</td>\n",
       "      <td>Matrix</td>\n",
       "      <td>Likert</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>ToolsTech</th>\n",
       "      <td>QID275</td>\n",
       "      <td>Which &lt;strong&gt;tools&lt;/strong&gt; have you done ext...</td>\n",
       "      <td>False</td>\n",
       "      <td>Matrix</td>\n",
       "      <td>Likert</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>NEWCollabTools</th>\n",
       "      <td>QID274</td>\n",
       "      <td>Which &lt;strong&gt;development environments&lt;/strong...</td>\n",
       "      <td>False</td>\n",
       "      <td>Matrix</td>\n",
       "      <td>Likert</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>OpSys</th>\n",
       "      <td>QID71</td>\n",
       "      <td>What is the primary operating system in which ...</td>\n",
       "      <td>False</td>\n",
       "      <td>MC</td>\n",
       "      <td>SAVR</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>NEWStuck</th>\n",
       "      <td>QID243</td>\n",
       "      <td>What do you do when you get stuck on a problem...</td>\n",
       "      <td>False</td>\n",
       "      <td>MC</td>\n",
       "      <td>MAVR</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>S4</th>\n",
       "      <td>QID91</td>\n",
       "      <td>&lt;span style=\"font-size:22px; font-family: aria...</td>\n",
       "      <td>False</td>\n",
       "      <td>DB</td>\n",
       "      <td>TB</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>NEWSOSites</th>\n",
       "      <td>QID266</td>\n",
       "      <td>Which of the following Stack Overflow sites ha...</td>\n",
       "      <td>False</td>\n",
       "      <td>MC</td>\n",
       "      <td>MAVR</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>SOVisitFreq</th>\n",
       "      <td>QID100</td>\n",
       "      <td>How frequently would you say you visit Stack O...</td>\n",
       "      <td>False</td>\n",
       "      <td>MC</td>\n",
       "      <td>MAVR</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>SOAccount</th>\n",
       "      <td>QID101</td>\n",
       "      <td>Do you have a Stack Overflow account?</td>\n",
       "      <td>False</td>\n",
       "      <td>MC</td>\n",
       "      <td>MAVR</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>SOPartFreq</th>\n",
       "      <td>QID102</td>\n",
       "      <td>How frequently would you say you participate i...</td>\n",
       "      <td>False</td>\n",
       "      <td>MC</td>\n",
       "      <td>MAVR</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>SOComm</th>\n",
       "      <td>QID106</td>\n",
       "      <td>Do you consider yourself a member of the Stack...</td>\n",
       "      <td>False</td>\n",
       "      <td>MC</td>\n",
       "      <td>MAVR</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>NEWOtherComms</th>\n",
       "      <td>QID267</td>\n",
       "      <td>Are you a member of any other online developer...</td>\n",
       "      <td>False</td>\n",
       "      <td>MC</td>\n",
       "      <td>MAVR</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>NEWOtherCommsNames</th>\n",
       "      <td>QID268</td>\n",
       "      <td>Please name up to 5 other online developer com...</td>\n",
       "      <td>False</td>\n",
       "      <td>Matrix</td>\n",
       "      <td>Likert</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>S5</th>\n",
       "      <td>QID121</td>\n",
       "      <td>&lt;span style=\"font-size:22px; font-family: aria...</td>\n",
       "      <td>False</td>\n",
       "      <td>DB</td>\n",
       "      <td>TB</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Age</th>\n",
       "      <td>QID127</td>\n",
       "      <td>What is your age?</td>\n",
       "      <td>False</td>\n",
       "      <td>MC</td>\n",
       "      <td>MAVR</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Gender</th>\n",
       "      <td>QID122</td>\n",
       "      <td>Which of the following describe you, if any? P...</td>\n",
       "      <td>False</td>\n",
       "      <td>MC</td>\n",
       "      <td>MAVR</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Trans</th>\n",
       "      <td>QID153</td>\n",
       "      <td>Do you identify as transgender?</td>\n",
       "      <td>False</td>\n",
       "      <td>MC</td>\n",
       "      <td>MAVR</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Sexuality</th>\n",
       "      <td>QID136</td>\n",
       "      <td>Which of the following describe you, if any? P...</td>\n",
       "      <td>False</td>\n",
       "      <td>MC</td>\n",
       "      <td>MAVR</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Ethnicity</th>\n",
       "      <td>QID126</td>\n",
       "      <td>Which of the following describe you, if any? P...</td>\n",
       "      <td>False</td>\n",
       "      <td>MC</td>\n",
       "      <td>MAVR</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Accessibility</th>\n",
       "      <td>QID124</td>\n",
       "      <td>Which of the following describe you, if any? P...</td>\n",
       "      <td>False</td>\n",
       "      <td>MC</td>\n",
       "      <td>MAVR</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>MentalHealth</th>\n",
       "      <td>QID125</td>\n",
       "      <td>Which of the following describe you, if any? P...</td>\n",
       "      <td>False</td>\n",
       "      <td>MC</td>\n",
       "      <td>MAVR</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>S6</th>\n",
       "      <td>QID131</td>\n",
       "      <td>&lt;span style=\"font-size:22px;\"&gt;&lt;strong&gt;Final Qu...</td>\n",
       "      <td>False</td>\n",
       "      <td>DB</td>\n",
       "      <td>TB</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>SurveyLength</th>\n",
       "      <td>QID132</td>\n",
       "      <td>How do you feel about the length of the survey...</td>\n",
       "      <td>False</td>\n",
       "      <td>MC</td>\n",
       "      <td>MAVR</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>SurveyEase</th>\n",
       "      <td>QID133</td>\n",
       "      <td>How easy or difficult was this survey to compl...</td>\n",
       "      <td>False</td>\n",
       "      <td>MC</td>\n",
       "      <td>MAVR</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "                       qid                                           question  \\\n",
       "qname                                                                           \n",
       "S0                   QID16  <div><span style=\"font-size:19px;\"><strong>Hel...   \n",
       "MetaInfo             QID12                                  Browser Meta Info   \n",
       "S1                    QID1  <span style=\"font-size:22px; font-family: aria...   \n",
       "MainBranch            QID2  Which of the following options best describes ...   \n",
       "Employment           QID24  Which of the following best describes your cur...   \n",
       "Country               QID6  Where do you live? <span style=\"font-weight: b...   \n",
       "US_State              QID7  <p>In which state or territory of the USA do y...   \n",
       "UK_Country            QID9  In which part of the United Kingdom do you liv...   \n",
       "S2                  QID190  <span style=\"font-size:22px; font-family: aria...   \n",
       "EdLevel              QID25  Which of the following best describes the high...   \n",
       "Age1stCode          QID149  At what age did you write your first line of c...   \n",
       "LearnCode           QID276  How did you learn to code? Select all that apply.   \n",
       "YearsCode            QID32  Including any education, how many years have y...   \n",
       "YearsCodePro         QID34  NOT including education, how many years have y...   \n",
       "DevType              QID31  Which of the following describes your current ...   \n",
       "OrgSize              QID29  Approximately how many people are employed by ...   \n",
       "Currency             QID50  Which currency do you use day-to-day? If your ...   \n",
       "CompTotal            QID51  What is your current total compensation (salar...   \n",
       "CompFreq             QID52   Is that compensation weekly, monthly, or yearly?   \n",
       "S3                   QID61  <span style=\"font-size:22px; font-family: aria...   \n",
       "Language            QID233  Which <b>programming, scripting, and markup la...   \n",
       "Database            QID262  Which <b>database environments </b>have you do...   \n",
       "Platform            QID263  Which <b>cloud platforms</b> have you done ext...   \n",
       "Webframe            QID264  Which <strong>web frameworks </strong><span st...   \n",
       "MiscTech            QID265  Which <b>other frameworks and libraries</b> ha...   \n",
       "ToolsTech           QID275  Which <strong>tools</strong> have you done ext...   \n",
       "NEWCollabTools      QID274  Which <strong>development environments</strong...   \n",
       "OpSys                QID71  What is the primary operating system in which ...   \n",
       "NEWStuck            QID243  What do you do when you get stuck on a problem...   \n",
       "S4                   QID91  <span style=\"font-size:22px; font-family: aria...   \n",
       "NEWSOSites          QID266  Which of the following Stack Overflow sites ha...   \n",
       "SOVisitFreq         QID100  How frequently would you say you visit Stack O...   \n",
       "SOAccount           QID101              Do you have a Stack Overflow account?   \n",
       "SOPartFreq          QID102  How frequently would you say you participate i...   \n",
       "SOComm              QID106  Do you consider yourself a member of the Stack...   \n",
       "NEWOtherComms       QID267  Are you a member of any other online developer...   \n",
       "NEWOtherCommsNames  QID268  Please name up to 5 other online developer com...   \n",
       "S5                  QID121  <span style=\"font-size:22px; font-family: aria...   \n",
       "Age                 QID127                                  What is your age?   \n",
       "Gender              QID122  Which of the following describe you, if any? P...   \n",
       "Trans               QID153                    Do you identify as transgender?   \n",
       "Sexuality           QID136  Which of the following describe you, if any? P...   \n",
       "Ethnicity           QID126  Which of the following describe you, if any? P...   \n",
       "Accessibility       QID124  Which of the following describe you, if any? P...   \n",
       "MentalHealth        QID125  Which of the following describe you, if any? P...   \n",
       "S6                  QID131  <span style=\"font-size:22px;\"><strong>Final Qu...   \n",
       "SurveyLength        QID132  How do you feel about the length of the survey...   \n",
       "SurveyEase          QID133  How easy or difficult was this survey to compl...   \n",
       "\n",
       "                    force_resp    type selector  \n",
       "qname                                            \n",
       "S0                       False      DB       TB  \n",
       "MetaInfo                 False    Meta  Browser  \n",
       "S1                       False      DB       TB  \n",
       "MainBranch                True      MC     SAVR  \n",
       "Employment               False      MC     MAVR  \n",
       "Country                   True      MC       DL  \n",
       "US_State                 False      MC       DL  \n",
       "UK_Country               False      MC       DL  \n",
       "S2                       False      DB       TB  \n",
       "EdLevel                  False      MC     SAVR  \n",
       "Age1stCode               False      MC     MAVR  \n",
       "LearnCode                False      MC     MAVR  \n",
       "YearsCode                False      MC       DL  \n",
       "YearsCodePro             False      MC       DL  \n",
       "DevType                  False      MC     MAVR  \n",
       "OrgSize                  False      MC     MAVR  \n",
       "Currency                  True      MC       SB  \n",
       "CompTotal                False      TE       SL  \n",
       "CompFreq                 False      MC     MAVR  \n",
       "S3                       False      DB       TB  \n",
       "Language                 False  Matrix   Likert  \n",
       "Database                 False  Matrix   Likert  \n",
       "Platform                 False  Matrix   Likert  \n",
       "Webframe                 False  Matrix   Likert  \n",
       "MiscTech                 False  Matrix   Likert  \n",
       "ToolsTech                False  Matrix   Likert  \n",
       "NEWCollabTools           False  Matrix   Likert  \n",
       "OpSys                    False      MC     SAVR  \n",
       "NEWStuck                 False      MC     MAVR  \n",
       "S4                       False      DB       TB  \n",
       "NEWSOSites               False      MC     MAVR  \n",
       "SOVisitFreq              False      MC     MAVR  \n",
       "SOAccount                False      MC     MAVR  \n",
       "SOPartFreq               False      MC     MAVR  \n",
       "SOComm                   False      MC     MAVR  \n",
       "NEWOtherComms            False      MC     MAVR  \n",
       "NEWOtherCommsNames       False  Matrix   Likert  \n",
       "S5                       False      DB       TB  \n",
       "Age                      False      MC     MAVR  \n",
       "Gender                   False      MC     MAVR  \n",
       "Trans                    False      MC     MAVR  \n",
       "Sexuality                False      MC     MAVR  \n",
       "Ethnicity                False      MC     MAVR  \n",
       "Accessibility            False      MC     MAVR  \n",
       "MentalHealth             False      MC     MAVR  \n",
       "S6                       False      DB       TB  \n",
       "SurveyLength             False      MC     MAVR  \n",
       "SurveyEase               False      MC     MAVR  "
      ]
     },
     "execution_count": 38,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "questions"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "dd42c77b",
   "metadata": {},
   "source": [
    "### Para definir a coluna _ResponseId_ como índice aquando da leitura do CSV com as respostas"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 39,
   "id": "d3d9816d",
   "metadata": {},
   "outputs": [],
   "source": [
    "answers = pd.read_csv(\"stack-overflow-developer-survey-2021/survey_results_public.csv\", index_col = \"ResponseId\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 40,
   "id": "57f90621",
   "metadata": {},
   "outputs": [
    {
     "data": {
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       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>MainBranch</th>\n",
       "      <th>Employment</th>\n",
       "      <th>Country</th>\n",
       "      <th>US_State</th>\n",
       "      <th>UK_Country</th>\n",
       "      <th>EdLevel</th>\n",
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       "      <th>YearsCodePro</th>\n",
       "      <th>DevType</th>\n",
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       "      <th>Currency</th>\n",
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       "      <th>CompFreq</th>\n",
       "      <th>LanguageHaveWorkedWith</th>\n",
       "      <th>LanguageWantToWorkWith</th>\n",
       "      <th>DatabaseHaveWorkedWith</th>\n",
       "      <th>DatabaseWantToWorkWith</th>\n",
       "      <th>PlatformHaveWorkedWith</th>\n",
       "      <th>PlatformWantToWorkWith</th>\n",
       "      <th>WebframeHaveWorkedWith</th>\n",
       "      <th>WebframeWantToWorkWith</th>\n",
       "      <th>MiscTechHaveWorkedWith</th>\n",
       "      <th>MiscTechWantToWorkWith</th>\n",
       "      <th>ToolsTechHaveWorkedWith</th>\n",
       "      <th>ToolsTechWantToWorkWith</th>\n",
       "      <th>NEWCollabToolsHaveWorkedWith</th>\n",
       "      <th>NEWCollabToolsWantToWorkWith</th>\n",
       "      <th>OpSys</th>\n",
       "      <th>NEWStuck</th>\n",
       "      <th>NEWSOSites</th>\n",
       "      <th>SOVisitFreq</th>\n",
       "      <th>SOAccount</th>\n",
       "      <th>SOPartFreq</th>\n",
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       "      <th>NEWOtherComms</th>\n",
       "      <th>Age</th>\n",
       "      <th>Gender</th>\n",
       "      <th>Trans</th>\n",
       "      <th>Sexuality</th>\n",
       "      <th>Ethnicity</th>\n",
       "      <th>Accessibility</th>\n",
       "      <th>MentalHealth</th>\n",
       "      <th>SurveyLength</th>\n",
       "      <th>SurveyEase</th>\n",
       "      <th>ConvertedCompYearly</th>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>ResponseId</th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Independent contractor, freelancer, or self-em...</td>\n",
       "      <td>Slovakia</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Secondary school (e.g. American high school, G...</td>\n",
       "      <td>18 - 24 years</td>\n",
       "      <td>Coding Bootcamp;Other online resources (ex: vi...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Developer, mobile</td>\n",
       "      <td>20 to 99 employees</td>\n",
       "      <td>EUR European Euro</td>\n",
       "      <td>4800.0</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>C++;HTML/CSS;JavaScript;Objective-C;PHP;Swift</td>\n",
       "      <td>Swift</td>\n",
       "      <td>PostgreSQL;SQLite</td>\n",
       "      <td>SQLite</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Laravel;Symfony</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>PHPStorm;Xcode</td>\n",
       "      <td>Atom;Xcode</td>\n",
       "      <td>MacOS</td>\n",
       "      <td>Call a coworker or friend;Visit Stack Overflow...</td>\n",
       "      <td>Stack Overflow</td>\n",
       "      <td>Multiple times per day</td>\n",
       "      <td>Yes</td>\n",
       "      <td>A few times per month or weekly</td>\n",
       "      <td>Yes, definitely</td>\n",
       "      <td>No</td>\n",
       "      <td>25-34 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Easy</td>\n",
       "      <td>62268.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>I am a student who is learning to code</td>\n",
       "      <td>Student, full-time</td>\n",
       "      <td>Netherlands</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Bachelor’s degree (B.A., B.S., B.Eng., etc.)</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>Other online resources (ex: videos, blogs, etc...</td>\n",
       "      <td>7</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>JavaScript;Python</td>\n",
       "      <td>NaN</td>\n",
       "      <td>PostgreSQL</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Angular;Flask;Vue.js</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Cordova</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Docker;Git;Yarn</td>\n",
       "      <td>Git</td>\n",
       "      <td>Android Studio;IntelliJ;Notepad++;PyCharm</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Windows</td>\n",
       "      <td>Visit Stack Overflow;Google it</td>\n",
       "      <td>Stack Overflow</td>\n",
       "      <td>Daily or almost daily</td>\n",
       "      <td>Yes</td>\n",
       "      <td>Daily or almost daily</td>\n",
       "      <td>Yes, definitely</td>\n",
       "      <td>No</td>\n",
       "      <td>18-24 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Easy</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>I am not primarily a developer, but I write co...</td>\n",
       "      <td>Student, full-time</td>\n",
       "      <td>Russian Federation</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Bachelor’s degree (B.A., B.S., B.Eng., etc.)</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>Other online resources (ex: videos, blogs, etc...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Assembly;C;Python;R;Rust</td>\n",
       "      <td>Julia;Python;Rust</td>\n",
       "      <td>SQLite</td>\n",
       "      <td>SQLite</td>\n",
       "      <td>Heroku</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Flask</td>\n",
       "      <td>Flask</td>\n",
       "      <td>NumPy;Pandas;TensorFlow;Torch/PyTorch</td>\n",
       "      <td>Keras;NumPy;Pandas;TensorFlow;Torch/PyTorch</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>IPython/Jupyter;PyCharm;RStudio;Sublime Text;V...</td>\n",
       "      <td>IPython/Jupyter;RStudio;Sublime Text;Visual St...</td>\n",
       "      <td>MacOS</td>\n",
       "      <td>Visit Stack Overflow;Google it;Watch help / tu...</td>\n",
       "      <td>Stack Overflow;Stack Exchange</td>\n",
       "      <td>Multiple times per day</td>\n",
       "      <td>Yes</td>\n",
       "      <td>Multiple times per day</td>\n",
       "      <td>Yes, definitely</td>\n",
       "      <td>Yes</td>\n",
       "      <td>18-24 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>Prefer not to say</td>\n",
       "      <td>Prefer not to say</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Easy</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>Austria</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Master’s degree (M.A., M.S., M.Eng., MBA, etc.)</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Developer, front-end</td>\n",
       "      <td>100 to 499 employees</td>\n",
       "      <td>EUR European Euro</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>JavaScript;TypeScript</td>\n",
       "      <td>JavaScript;TypeScript</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Angular;jQuery</td>\n",
       "      <td>Angular;jQuery</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Windows</td>\n",
       "      <td>Call a coworker or friend;Visit Stack Overflow...</td>\n",
       "      <td>Stack Overflow</td>\n",
       "      <td>Daily or almost daily</td>\n",
       "      <td>Yes</td>\n",
       "      <td>Daily or almost daily</td>\n",
       "      <td>Neutral</td>\n",
       "      <td>No</td>\n",
       "      <td>35-44 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>I am deaf / hard of hearing</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Neither easy nor difficult</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>5</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Independent contractor, freelancer, or self-em...</td>\n",
       "      <td>United Kingdom of Great Britain and Northern I...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>England</td>\n",
       "      <td>Master’s degree (M.A., M.S., M.Eng., MBA, etc.)</td>\n",
       "      <td>5 - 10 years</td>\n",
       "      <td>Friend or family member</td>\n",
       "      <td>17</td>\n",
       "      <td>10</td>\n",
       "      <td>Developer, desktop or enterprise applications;...</td>\n",
       "      <td>Just me - I am a freelancer, sole proprietor, ...</td>\n",
       "      <td>GBP\\tPound sterling</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Bash/Shell;HTML/CSS;Python;SQL</td>\n",
       "      <td>Bash/Shell;HTML/CSS;Python;SQL</td>\n",
       "      <td>Elasticsearch;PostgreSQL;Redis</td>\n",
       "      <td>Cassandra;Elasticsearch;PostgreSQL;Redis</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Flask</td>\n",
       "      <td>Flask</td>\n",
       "      <td>Apache Spark;Hadoop;NumPy;Pandas</td>\n",
       "      <td>Hadoop;NumPy;Pandas</td>\n",
       "      <td>Docker;Git;Kubernetes;Yarn</td>\n",
       "      <td>Docker;Git;Kubernetes;Yarn</td>\n",
       "      <td>Atom;IPython/Jupyter;Notepad++;PyCharm;Vim</td>\n",
       "      <td>Atom;IPython/Jupyter;Notepad++;PyCharm;Vim;Vis...</td>\n",
       "      <td>Linux-based</td>\n",
       "      <td>Visit Stack Overflow;Go for a walk or other ph...</td>\n",
       "      <td>Stack Overflow;Stack Exchange</td>\n",
       "      <td>Daily or almost daily</td>\n",
       "      <td>Yes</td>\n",
       "      <td>A few times per week</td>\n",
       "      <td>Yes, somewhat</td>\n",
       "      <td>No</td>\n",
       "      <td>25-34 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>NaN</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Easy</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>...</th>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>83435</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>United States of America</td>\n",
       "      <td>Texas</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Bachelor’s degree (B.A., B.S., B.Eng., etc.)</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>Other online resources (ex: videos, blogs, etc...</td>\n",
       "      <td>6</td>\n",
       "      <td>5</td>\n",
       "      <td>Developer, back-end</td>\n",
       "      <td>20 to 99 employees</td>\n",
       "      <td>USD\\tUnited States dollar</td>\n",
       "      <td>160500.0</td>\n",
       "      <td>Yearly</td>\n",
       "      <td>Clojure;Kotlin;SQL</td>\n",
       "      <td>Clojure</td>\n",
       "      <td>Oracle;SQLite</td>\n",
       "      <td>SQLite</td>\n",
       "      <td>AWS</td>\n",
       "      <td>AWS</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Docker;Git</td>\n",
       "      <td>Git;Kubernetes</td>\n",
       "      <td>IntelliJ;Sublime Text;Vim;Visual Studio Code</td>\n",
       "      <td>Sublime Text;Vim</td>\n",
       "      <td>MacOS</td>\n",
       "      <td>Call a coworker or friend;Google it</td>\n",
       "      <td>Stack Overflow;Stack Exchange</td>\n",
       "      <td>A few times per week</td>\n",
       "      <td>No</td>\n",
       "      <td>NaN</td>\n",
       "      <td>No, not at all</td>\n",
       "      <td>No</td>\n",
       "      <td>25-34 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>I have a concentration and/or memory disorder ...</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Easy</td>\n",
       "      <td>160500.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>83436</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Independent contractor, freelancer, or self-em...</td>\n",
       "      <td>Benin</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Bachelor’s degree (B.A., B.S., B.Eng., etc.)</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>Other online resources (ex: videos, blogs, etc...</td>\n",
       "      <td>4</td>\n",
       "      <td>2</td>\n",
       "      <td>Developer, full-stack</td>\n",
       "      <td>Just me - I am a freelancer, sole proprietor, ...</td>\n",
       "      <td>XOF\\tWest African CFA franc</td>\n",
       "      <td>200000.0</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Firebase;MariaDB;MySQL;PostgreSQL;Redis;SQLite</td>\n",
       "      <td>Firebase;MariaDB;MongoDB;MySQL;PostgreSQL;Redi...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Django;jQuery;Laravel;React.js;Ruby on Rails</td>\n",
       "      <td>Django;Express;jQuery;Laravel;React.js;Ruby on...</td>\n",
       "      <td>Flutter;Qt</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Git;Unity 3D;Unreal Engine</td>\n",
       "      <td>Docker;Git;Kubernetes</td>\n",
       "      <td>Android Studio;Eclipse;Emacs;IntelliJ;NetBeans...</td>\n",
       "      <td>Emacs;IntelliJ;PHPStorm;PyCharm;RStudio;Sublim...</td>\n",
       "      <td>Linux-based</td>\n",
       "      <td>Call a coworker or friend;Visit Stack Overflow...</td>\n",
       "      <td>Stack Overflow;Stack Exchange</td>\n",
       "      <td>Multiple times per day</td>\n",
       "      <td>Yes</td>\n",
       "      <td>I have never participated in Q&amp;A on Stack Over...</td>\n",
       "      <td>Yes, somewhat</td>\n",
       "      <td>No</td>\n",
       "      <td>18-24 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>Black or of African descent</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Easy</td>\n",
       "      <td>3960.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>83437</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>United States of America</td>\n",
       "      <td>New Jersey</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Secondary school (e.g. American high school, G...</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>School</td>\n",
       "      <td>10</td>\n",
       "      <td>4</td>\n",
       "      <td>Data scientist or machine learning specialist;...</td>\n",
       "      <td>10,000 or more employees</td>\n",
       "      <td>USD\\tUnited States dollar</td>\n",
       "      <td>1800.0</td>\n",
       "      <td>Weekly</td>\n",
       "      <td>Groovy;Java;Python</td>\n",
       "      <td>Java;Python</td>\n",
       "      <td>DynamoDB;Elasticsearch;MongoDB;PostgreSQL;Redis</td>\n",
       "      <td>DynamoDB;Redis</td>\n",
       "      <td>AWS;Google Cloud Platform</td>\n",
       "      <td>AWS</td>\n",
       "      <td>FastAPI;Flask</td>\n",
       "      <td>FastAPI;Flask</td>\n",
       "      <td>Hadoop;Keras;NumPy;Pandas</td>\n",
       "      <td>Apache Spark;Hadoop;Keras;NumPy;Pandas;TensorFlow</td>\n",
       "      <td>Ansible;Docker;Git;Terraform</td>\n",
       "      <td>Docker;Git;Kubernetes;Terraform</td>\n",
       "      <td>Android Studio;Eclipse;IntelliJ;IPython/Jupyte...</td>\n",
       "      <td>IntelliJ;IPython/Jupyter;Notepad++;Vim</td>\n",
       "      <td>Windows</td>\n",
       "      <td>Call a coworker or friend;Visit Stack Overflow...</td>\n",
       "      <td>Stack Overflow;Stack Exchange</td>\n",
       "      <td>A few times per week</td>\n",
       "      <td>Yes</td>\n",
       "      <td>I have never participated in Q&amp;A on Stack Over...</td>\n",
       "      <td>No, not really</td>\n",
       "      <td>No</td>\n",
       "      <td>25-34 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>NaN</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Neither easy nor difficult</td>\n",
       "      <td>90000.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>83438</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>Canada</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Bachelor’s degree (B.A., B.S., B.Eng., etc.)</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>Online Courses or Certification;Books / Physic...</td>\n",
       "      <td>5</td>\n",
       "      <td>3</td>\n",
       "      <td>Developer, back-end</td>\n",
       "      <td>20 to 99 employees</td>\n",
       "      <td>CAD\\tCanadian dollar</td>\n",
       "      <td>90000.0</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>Bash/Shell;JavaScript;Node.js;Python</td>\n",
       "      <td>Go;Rust</td>\n",
       "      <td>Cassandra;Elasticsearch;MongoDB;PostgreSQL;Redis</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Heroku</td>\n",
       "      <td>AWS;DigitalOcean</td>\n",
       "      <td>Django;Express;Flask;React.js</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NumPy;Pandas;TensorFlow;Torch/PyTorch</td>\n",
       "      <td>NumPy;Pandas;TensorFlow;Torch/PyTorch</td>\n",
       "      <td>Ansible;Docker;Git;Terraform</td>\n",
       "      <td>Kubernetes;Terraform</td>\n",
       "      <td>PyCharm;Sublime Text</td>\n",
       "      <td>NaN</td>\n",
       "      <td>MacOS</td>\n",
       "      <td>Call a coworker or friend;Visit Stack Overflow...</td>\n",
       "      <td>Stack Overflow</td>\n",
       "      <td>A few times per month or weekly</td>\n",
       "      <td>Yes</td>\n",
       "      <td>Less than once per month or monthly</td>\n",
       "      <td>No, not really</td>\n",
       "      <td>No</td>\n",
       "      <td>25-34 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>I have a mood or emotional disorder (e.g. depr...</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Neither easy nor difficult</td>\n",
       "      <td>816816.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>83439</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>Brazil</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Professional degree (JD, MD, etc.)</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>School</td>\n",
       "      <td>14</td>\n",
       "      <td>4</td>\n",
       "      <td>Developer, front-end;Developer, full-stack;Dev...</td>\n",
       "      <td>I don’t know</td>\n",
       "      <td>BRL\\tBrazilian real</td>\n",
       "      <td>7700.0</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>Delphi;Elixir;HTML/CSS;Java;JavaScript</td>\n",
       "      <td>Elixir;HTML/CSS;Java;JavaScript;Node.js;PHP;SQ...</td>\n",
       "      <td>Oracle;PostgreSQL</td>\n",
       "      <td>Elasticsearch;MongoDB;MySQL;Oracle;PostgreSQL;...</td>\n",
       "      <td>Microsoft Azure</td>\n",
       "      <td>AWS</td>\n",
       "      <td>Angular;Spring</td>\n",
       "      <td>Express;Laravel;Spring;Symfony</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Docker;Git</td>\n",
       "      <td>Docker;Git;Kubernetes</td>\n",
       "      <td>IntelliJ;Visual Studio Code</td>\n",
       "      <td>IntelliJ;PHPStorm;Visual Studio Code</td>\n",
       "      <td>Linux-based</td>\n",
       "      <td>Call a coworker or friend;Visit Stack Overflow...</td>\n",
       "      <td>Stack Overflow;Stack Exchange;Stack Overflow f...</td>\n",
       "      <td>A few times per week</td>\n",
       "      <td>Yes</td>\n",
       "      <td>A few times per week</td>\n",
       "      <td>Yes, somewhat</td>\n",
       "      <td>No</td>\n",
       "      <td>18-24 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>Hispanic or Latino/a/x</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Easy</td>\n",
       "      <td>21168.0</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "<p>83439 rows × 47 columns</p>\n",
       "</div>"
      ],
      "text/plain": [
       "                                                   MainBranch  \\\n",
       "ResponseId                                                      \n",
       "1                              I am a developer by profession   \n",
       "2                      I am a student who is learning to code   \n",
       "3           I am not primarily a developer, but I write co...   \n",
       "4                              I am a developer by profession   \n",
       "5                              I am a developer by profession   \n",
       "...                                                       ...   \n",
       "83435                          I am a developer by profession   \n",
       "83436                          I am a developer by profession   \n",
       "83437                          I am a developer by profession   \n",
       "83438                          I am a developer by profession   \n",
       "83439                          I am a developer by profession   \n",
       "\n",
       "                                                   Employment  \\\n",
       "ResponseId                                                      \n",
       "1           Independent contractor, freelancer, or self-em...   \n",
       "2                                          Student, full-time   \n",
       "3                                          Student, full-time   \n",
       "4                                          Employed full-time   \n",
       "5           Independent contractor, freelancer, or self-em...   \n",
       "...                                                       ...   \n",
       "83435                                      Employed full-time   \n",
       "83436       Independent contractor, freelancer, or self-em...   \n",
       "83437                                      Employed full-time   \n",
       "83438                                      Employed full-time   \n",
       "83439                                      Employed full-time   \n",
       "\n",
       "                                                      Country    US_State  \\\n",
       "ResponseId                                                                  \n",
       "1                                                    Slovakia         NaN   \n",
       "2                                                 Netherlands         NaN   \n",
       "3                                          Russian Federation         NaN   \n",
       "4                                                     Austria         NaN   \n",
       "5           United Kingdom of Great Britain and Northern I...         NaN   \n",
       "...                                                       ...         ...   \n",
       "83435                                United States of America       Texas   \n",
       "83436                                                   Benin         NaN   \n",
       "83437                                United States of America  New Jersey   \n",
       "83438                                                  Canada         NaN   \n",
       "83439                                                  Brazil         NaN   \n",
       "\n",
       "           UK_Country                                            EdLevel  \\\n",
       "ResponseId                                                                 \n",
       "1                 NaN  Secondary school (e.g. American high school, G...   \n",
       "2                 NaN       Bachelor’s degree (B.A., B.S., B.Eng., etc.)   \n",
       "3                 NaN       Bachelor’s degree (B.A., B.S., B.Eng., etc.)   \n",
       "4                 NaN    Master’s degree (M.A., M.S., M.Eng., MBA, etc.)   \n",
       "5             England    Master’s degree (M.A., M.S., M.Eng., MBA, etc.)   \n",
       "...               ...                                                ...   \n",
       "83435             NaN       Bachelor’s degree (B.A., B.S., B.Eng., etc.)   \n",
       "83436             NaN       Bachelor’s degree (B.A., B.S., B.Eng., etc.)   \n",
       "83437             NaN  Secondary school (e.g. American high school, G...   \n",
       "83438             NaN       Bachelor’s degree (B.A., B.S., B.Eng., etc.)   \n",
       "83439             NaN                 Professional degree (JD, MD, etc.)   \n",
       "\n",
       "               Age1stCode                                          LearnCode  \\\n",
       "ResponseId                                                                     \n",
       "1           18 - 24 years  Coding Bootcamp;Other online resources (ex: vi...   \n",
       "2           11 - 17 years  Other online resources (ex: videos, blogs, etc...   \n",
       "3           11 - 17 years  Other online resources (ex: videos, blogs, etc...   \n",
       "4           11 - 17 years                                                NaN   \n",
       "5            5 - 10 years                            Friend or family member   \n",
       "...                   ...                                                ...   \n",
       "83435       11 - 17 years  Other online resources (ex: videos, blogs, etc...   \n",
       "83436       11 - 17 years  Other online resources (ex: videos, blogs, etc...   \n",
       "83437       11 - 17 years                                             School   \n",
       "83438       11 - 17 years  Online Courses or Certification;Books / Physic...   \n",
       "83439       11 - 17 years                                             School   \n",
       "\n",
       "           YearsCode YearsCodePro  \\\n",
       "ResponseId                          \n",
       "1                NaN          NaN   \n",
       "2                  7          NaN   \n",
       "3                NaN          NaN   \n",
       "4                NaN          NaN   \n",
       "5                 17           10   \n",
       "...              ...          ...   \n",
       "83435              6            5   \n",
       "83436              4            2   \n",
       "83437             10            4   \n",
       "83438              5            3   \n",
       "83439             14            4   \n",
       "\n",
       "                                                      DevType  \\\n",
       "ResponseId                                                      \n",
       "1                                           Developer, mobile   \n",
       "2                                                         NaN   \n",
       "3                                                         NaN   \n",
       "4                                        Developer, front-end   \n",
       "5           Developer, desktop or enterprise applications;...   \n",
       "...                                                       ...   \n",
       "83435                                     Developer, back-end   \n",
       "83436                                   Developer, full-stack   \n",
       "83437       Data scientist or machine learning specialist;...   \n",
       "83438                                     Developer, back-end   \n",
       "83439       Developer, front-end;Developer, full-stack;Dev...   \n",
       "\n",
       "                                                      OrgSize  \\\n",
       "ResponseId                                                      \n",
       "1                                          20 to 99 employees   \n",
       "2                                                         NaN   \n",
       "3                                                         NaN   \n",
       "4                                        100 to 499 employees   \n",
       "5           Just me - I am a freelancer, sole proprietor, ...   \n",
       "...                                                       ...   \n",
       "83435                                      20 to 99 employees   \n",
       "83436       Just me - I am a freelancer, sole proprietor, ...   \n",
       "83437                                10,000 or more employees   \n",
       "83438                                      20 to 99 employees   \n",
       "83439                                            I don’t know   \n",
       "\n",
       "                               Currency  CompTotal CompFreq  \\\n",
       "ResponseId                                                    \n",
       "1                     EUR European Euro     4800.0  Monthly   \n",
       "2                                   NaN        NaN      NaN   \n",
       "3                                   NaN        NaN      NaN   \n",
       "4                     EUR European Euro        NaN  Monthly   \n",
       "5                   GBP\\tPound sterling        NaN      NaN   \n",
       "...                                 ...        ...      ...   \n",
       "83435         USD\\tUnited States dollar   160500.0   Yearly   \n",
       "83436       XOF\\tWest African CFA franc   200000.0  Monthly   \n",
       "83437         USD\\tUnited States dollar     1800.0   Weekly   \n",
       "83438              CAD\\tCanadian dollar    90000.0  Monthly   \n",
       "83439               BRL\\tBrazilian real     7700.0  Monthly   \n",
       "\n",
       "                                   LanguageHaveWorkedWith  \\\n",
       "ResponseId                                                  \n",
       "1           C++;HTML/CSS;JavaScript;Objective-C;PHP;Swift   \n",
       "2                                       JavaScript;Python   \n",
       "3                                Assembly;C;Python;R;Rust   \n",
       "4                                   JavaScript;TypeScript   \n",
       "5                          Bash/Shell;HTML/CSS;Python;SQL   \n",
       "...                                                   ...   \n",
       "83435                                  Clojure;Kotlin;SQL   \n",
       "83436                                                 NaN   \n",
       "83437                                  Groovy;Java;Python   \n",
       "83438                Bash/Shell;JavaScript;Node.js;Python   \n",
       "83439              Delphi;Elixir;HTML/CSS;Java;JavaScript   \n",
       "\n",
       "                                       LanguageWantToWorkWith  \\\n",
       "ResponseId                                                      \n",
       "1                                                       Swift   \n",
       "2                                                         NaN   \n",
       "3                                           Julia;Python;Rust   \n",
       "4                                       JavaScript;TypeScript   \n",
       "5                              Bash/Shell;HTML/CSS;Python;SQL   \n",
       "...                                                       ...   \n",
       "83435                                                 Clojure   \n",
       "83436                                                     NaN   \n",
       "83437                                             Java;Python   \n",
       "83438                                                 Go;Rust   \n",
       "83439       Elixir;HTML/CSS;Java;JavaScript;Node.js;PHP;SQ...   \n",
       "\n",
       "                                      DatabaseHaveWorkedWith  \\\n",
       "ResponseId                                                     \n",
       "1                                          PostgreSQL;SQLite   \n",
       "2                                                 PostgreSQL   \n",
       "3                                                     SQLite   \n",
       "4                                                        NaN   \n",
       "5                             Elasticsearch;PostgreSQL;Redis   \n",
       "...                                                      ...   \n",
       "83435                                          Oracle;SQLite   \n",
       "83436         Firebase;MariaDB;MySQL;PostgreSQL;Redis;SQLite   \n",
       "83437        DynamoDB;Elasticsearch;MongoDB;PostgreSQL;Redis   \n",
       "83438       Cassandra;Elasticsearch;MongoDB;PostgreSQL;Redis   \n",
       "83439                                      Oracle;PostgreSQL   \n",
       "\n",
       "                                       DatabaseWantToWorkWith  \\\n",
       "ResponseId                                                      \n",
       "1                                                      SQLite   \n",
       "2                                                         NaN   \n",
       "3                                                      SQLite   \n",
       "4                                                         NaN   \n",
       "5                    Cassandra;Elasticsearch;PostgreSQL;Redis   \n",
       "...                                                       ...   \n",
       "83435                                                  SQLite   \n",
       "83436       Firebase;MariaDB;MongoDB;MySQL;PostgreSQL;Redi...   \n",
       "83437                                          DynamoDB;Redis   \n",
       "83438                                                     NaN   \n",
       "83439       Elasticsearch;MongoDB;MySQL;Oracle;PostgreSQL;...   \n",
       "\n",
       "               PlatformHaveWorkedWith PlatformWantToWorkWith  \\\n",
       "ResponseId                                                     \n",
       "1                                 NaN                    NaN   \n",
       "2                                 NaN                    NaN   \n",
       "3                              Heroku                    NaN   \n",
       "4                                 NaN                    NaN   \n",
       "5                                 NaN                    NaN   \n",
       "...                               ...                    ...   \n",
       "83435                             AWS                    AWS   \n",
       "83436                             NaN                    NaN   \n",
       "83437       AWS;Google Cloud Platform                    AWS   \n",
       "83438                          Heroku       AWS;DigitalOcean   \n",
       "83439                 Microsoft Azure                    AWS   \n",
       "\n",
       "                                  WebframeHaveWorkedWith  \\\n",
       "ResponseId                                                 \n",
       "1                                        Laravel;Symfony   \n",
       "2                                   Angular;Flask;Vue.js   \n",
       "3                                                  Flask   \n",
       "4                                         Angular;jQuery   \n",
       "5                                                  Flask   \n",
       "...                                                  ...   \n",
       "83435                                                NaN   \n",
       "83436       Django;jQuery;Laravel;React.js;Ruby on Rails   \n",
       "83437                                      FastAPI;Flask   \n",
       "83438                      Django;Express;Flask;React.js   \n",
       "83439                                     Angular;Spring   \n",
       "\n",
       "                                       WebframeWantToWorkWith  \\\n",
       "ResponseId                                                      \n",
       "1                                                         NaN   \n",
       "2                                                         NaN   \n",
       "3                                                       Flask   \n",
       "4                                              Angular;jQuery   \n",
       "5                                                       Flask   \n",
       "...                                                       ...   \n",
       "83435                                                     NaN   \n",
       "83436       Django;Express;jQuery;Laravel;React.js;Ruby on...   \n",
       "83437                                           FastAPI;Flask   \n",
       "83438                                                     NaN   \n",
       "83439                          Express;Laravel;Spring;Symfony   \n",
       "\n",
       "                           MiscTechHaveWorkedWith  \\\n",
       "ResponseId                                          \n",
       "1                                             NaN   \n",
       "2                                         Cordova   \n",
       "3           NumPy;Pandas;TensorFlow;Torch/PyTorch   \n",
       "4                                             NaN   \n",
       "5                Apache Spark;Hadoop;NumPy;Pandas   \n",
       "...                                           ...   \n",
       "83435                                         NaN   \n",
       "83436                                  Flutter;Qt   \n",
       "83437                   Hadoop;Keras;NumPy;Pandas   \n",
       "83438       NumPy;Pandas;TensorFlow;Torch/PyTorch   \n",
       "83439                                         NaN   \n",
       "\n",
       "                                       MiscTechWantToWorkWith  \\\n",
       "ResponseId                                                      \n",
       "1                                                         NaN   \n",
       "2                                                         NaN   \n",
       "3                 Keras;NumPy;Pandas;TensorFlow;Torch/PyTorch   \n",
       "4                                                         NaN   \n",
       "5                                         Hadoop;NumPy;Pandas   \n",
       "...                                                       ...   \n",
       "83435                                                     NaN   \n",
       "83436                                                     NaN   \n",
       "83437       Apache Spark;Hadoop;Keras;NumPy;Pandas;TensorFlow   \n",
       "83438                   NumPy;Pandas;TensorFlow;Torch/PyTorch   \n",
       "83439                                                     NaN   \n",
       "\n",
       "                 ToolsTechHaveWorkedWith          ToolsTechWantToWorkWith  \\\n",
       "ResponseId                                                                  \n",
       "1                                    NaN                              NaN   \n",
       "2                        Docker;Git;Yarn                              Git   \n",
       "3                                    NaN                              NaN   \n",
       "4                                    NaN                              NaN   \n",
       "5             Docker;Git;Kubernetes;Yarn       Docker;Git;Kubernetes;Yarn   \n",
       "...                                  ...                              ...   \n",
       "83435                         Docker;Git                   Git;Kubernetes   \n",
       "83436         Git;Unity 3D;Unreal Engine            Docker;Git;Kubernetes   \n",
       "83437       Ansible;Docker;Git;Terraform  Docker;Git;Kubernetes;Terraform   \n",
       "83438       Ansible;Docker;Git;Terraform             Kubernetes;Terraform   \n",
       "83439                         Docker;Git            Docker;Git;Kubernetes   \n",
       "\n",
       "                                 NEWCollabToolsHaveWorkedWith  \\\n",
       "ResponseId                                                      \n",
       "1                                              PHPStorm;Xcode   \n",
       "2                   Android Studio;IntelliJ;Notepad++;PyCharm   \n",
       "3           IPython/Jupyter;PyCharm;RStudio;Sublime Text;V...   \n",
       "4                                                         NaN   \n",
       "5                  Atom;IPython/Jupyter;Notepad++;PyCharm;Vim   \n",
       "...                                                       ...   \n",
       "83435            IntelliJ;Sublime Text;Vim;Visual Studio Code   \n",
       "83436       Android Studio;Eclipse;Emacs;IntelliJ;NetBeans...   \n",
       "83437       Android Studio;Eclipse;IntelliJ;IPython/Jupyte...   \n",
       "83438                                    PyCharm;Sublime Text   \n",
       "83439                             IntelliJ;Visual Studio Code   \n",
       "\n",
       "                                 NEWCollabToolsWantToWorkWith        OpSys  \\\n",
       "ResponseId                                                                   \n",
       "1                                                  Atom;Xcode        MacOS   \n",
       "2                                                         NaN      Windows   \n",
       "3           IPython/Jupyter;RStudio;Sublime Text;Visual St...        MacOS   \n",
       "4                                                         NaN      Windows   \n",
       "5           Atom;IPython/Jupyter;Notepad++;PyCharm;Vim;Vis...  Linux-based   \n",
       "...                                                       ...          ...   \n",
       "83435                                        Sublime Text;Vim        MacOS   \n",
       "83436       Emacs;IntelliJ;PHPStorm;PyCharm;RStudio;Sublim...  Linux-based   \n",
       "83437                  IntelliJ;IPython/Jupyter;Notepad++;Vim      Windows   \n",
       "83438                                                     NaN        MacOS   \n",
       "83439                    IntelliJ;PHPStorm;Visual Studio Code  Linux-based   \n",
       "\n",
       "                                                     NEWStuck  \\\n",
       "ResponseId                                                      \n",
       "1           Call a coworker or friend;Visit Stack Overflow...   \n",
       "2                              Visit Stack Overflow;Google it   \n",
       "3           Visit Stack Overflow;Google it;Watch help / tu...   \n",
       "4           Call a coworker or friend;Visit Stack Overflow...   \n",
       "5           Visit Stack Overflow;Go for a walk or other ph...   \n",
       "...                                                       ...   \n",
       "83435                     Call a coworker or friend;Google it   \n",
       "83436       Call a coworker or friend;Visit Stack Overflow...   \n",
       "83437       Call a coworker or friend;Visit Stack Overflow...   \n",
       "83438       Call a coworker or friend;Visit Stack Overflow...   \n",
       "83439       Call a coworker or friend;Visit Stack Overflow...   \n",
       "\n",
       "                                                   NEWSOSites  \\\n",
       "ResponseId                                                      \n",
       "1                                              Stack Overflow   \n",
       "2                                              Stack Overflow   \n",
       "3                               Stack Overflow;Stack Exchange   \n",
       "4                                              Stack Overflow   \n",
       "5                               Stack Overflow;Stack Exchange   \n",
       "...                                                       ...   \n",
       "83435                           Stack Overflow;Stack Exchange   \n",
       "83436                           Stack Overflow;Stack Exchange   \n",
       "83437                           Stack Overflow;Stack Exchange   \n",
       "83438                                          Stack Overflow   \n",
       "83439       Stack Overflow;Stack Exchange;Stack Overflow f...   \n",
       "\n",
       "                                SOVisitFreq SOAccount  \\\n",
       "ResponseId                                              \n",
       "1                    Multiple times per day       Yes   \n",
       "2                     Daily or almost daily       Yes   \n",
       "3                    Multiple times per day       Yes   \n",
       "4                     Daily or almost daily       Yes   \n",
       "5                     Daily or almost daily       Yes   \n",
       "...                                     ...       ...   \n",
       "83435                  A few times per week        No   \n",
       "83436                Multiple times per day       Yes   \n",
       "83437                  A few times per week       Yes   \n",
       "83438       A few times per month or weekly       Yes   \n",
       "83439                  A few times per week       Yes   \n",
       "\n",
       "                                                   SOPartFreq  \\\n",
       "ResponseId                                                      \n",
       "1                             A few times per month or weekly   \n",
       "2                                       Daily or almost daily   \n",
       "3                                      Multiple times per day   \n",
       "4                                       Daily or almost daily   \n",
       "5                                        A few times per week   \n",
       "...                                                       ...   \n",
       "83435                                                     NaN   \n",
       "83436       I have never participated in Q&A on Stack Over...   \n",
       "83437       I have never participated in Q&A on Stack Over...   \n",
       "83438                     Less than once per month or monthly   \n",
       "83439                                    A few times per week   \n",
       "\n",
       "                     SOComm NEWOtherComms              Age Gender Trans  \\\n",
       "ResponseId                                                                \n",
       "1           Yes, definitely            No  25-34 years old    Man    No   \n",
       "2           Yes, definitely            No  18-24 years old    Man    No   \n",
       "3           Yes, definitely           Yes  18-24 years old    Man    No   \n",
       "4                   Neutral            No  35-44 years old    Man    No   \n",
       "5             Yes, somewhat            No  25-34 years old    Man    No   \n",
       "...                     ...           ...              ...    ...   ...   \n",
       "83435        No, not at all            No  25-34 years old    Man    No   \n",
       "83436         Yes, somewhat            No  18-24 years old    Man    No   \n",
       "83437        No, not really            No  25-34 years old    Man    No   \n",
       "83438        No, not really            No  25-34 years old    Man    No   \n",
       "83439         Yes, somewhat            No  18-24 years old    Man    No   \n",
       "\n",
       "                          Sexuality                     Ethnicity  \\\n",
       "ResponseId                                                          \n",
       "1           Straight / Heterosexual  White or of European descent   \n",
       "2           Straight / Heterosexual  White or of European descent   \n",
       "3                 Prefer not to say             Prefer not to say   \n",
       "4           Straight / Heterosexual  White or of European descent   \n",
       "5                               NaN  White or of European descent   \n",
       "...                             ...                           ...   \n",
       "83435       Straight / Heterosexual  White or of European descent   \n",
       "83436       Straight / Heterosexual   Black or of African descent   \n",
       "83437                           NaN  White or of European descent   \n",
       "83438       Straight / Heterosexual  White or of European descent   \n",
       "83439       Straight / Heterosexual        Hispanic or Latino/a/x   \n",
       "\n",
       "                          Accessibility  \\\n",
       "ResponseId                                \n",
       "1                     None of the above   \n",
       "2                     None of the above   \n",
       "3                     None of the above   \n",
       "4           I am deaf / hard of hearing   \n",
       "5                     None of the above   \n",
       "...                                 ...   \n",
       "83435                 None of the above   \n",
       "83436                 None of the above   \n",
       "83437                 None of the above   \n",
       "83438                 None of the above   \n",
       "83439                 None of the above   \n",
       "\n",
       "                                                 MentalHealth  \\\n",
       "ResponseId                                                      \n",
       "1                                           None of the above   \n",
       "2                                           None of the above   \n",
       "3                                           None of the above   \n",
       "4                                                         NaN   \n",
       "5                                                         NaN   \n",
       "...                                                       ...   \n",
       "83435       I have a concentration and/or memory disorder ...   \n",
       "83436                                       None of the above   \n",
       "83437                                       None of the above   \n",
       "83438       I have a mood or emotional disorder (e.g. depr...   \n",
       "83439                                       None of the above   \n",
       "\n",
       "                     SurveyLength                  SurveyEase  \\\n",
       "ResponseId                                                      \n",
       "1           Appropriate in length                        Easy   \n",
       "2           Appropriate in length                        Easy   \n",
       "3           Appropriate in length                        Easy   \n",
       "4           Appropriate in length  Neither easy nor difficult   \n",
       "5           Appropriate in length                        Easy   \n",
       "...                           ...                         ...   \n",
       "83435       Appropriate in length                        Easy   \n",
       "83436       Appropriate in length                        Easy   \n",
       "83437       Appropriate in length  Neither easy nor difficult   \n",
       "83438       Appropriate in length  Neither easy nor difficult   \n",
       "83439       Appropriate in length                        Easy   \n",
       "\n",
       "            ConvertedCompYearly  \n",
       "ResponseId                       \n",
       "1                       62268.0  \n",
       "2                           NaN  \n",
       "3                           NaN  \n",
       "4                           NaN  \n",
       "5                           NaN  \n",
       "...                         ...  \n",
       "83435                  160500.0  \n",
       "83436                    3960.0  \n",
       "83437                   90000.0  \n",
       "83438                  816816.0  \n",
       "83439                   21168.0  \n",
       "\n",
       "[83439 rows x 47 columns]"
      ]
     },
     "execution_count": 40,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "answers"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "24121520",
   "metadata": {},
   "source": [
    "### Para aceder ao significado da coluna _NEWStuck_"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 41,
   "id": "d807a472",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'What do you do when you get stuck on a problem? Select all that apply.'"
      ]
     },
     "execution_count": 41,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "questions.loc[\"NEWStuck\", \"question\"]"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "2cdbf17c",
   "metadata": {},
   "source": [
    "## Filtros"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "7e26b20f",
   "metadata": {},
   "source": [
    "### Para filtrar as respostas dadas por mulheres"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 42,
   "id": "640d5848",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>MainBranch</th>\n",
       "      <th>Employment</th>\n",
       "      <th>Country</th>\n",
       "      <th>US_State</th>\n",
       "      <th>UK_Country</th>\n",
       "      <th>EdLevel</th>\n",
       "      <th>Age1stCode</th>\n",
       "      <th>LearnCode</th>\n",
       "      <th>YearsCode</th>\n",
       "      <th>YearsCodePro</th>\n",
       "      <th>DevType</th>\n",
       "      <th>OrgSize</th>\n",
       "      <th>Currency</th>\n",
       "      <th>CompTotal</th>\n",
       "      <th>CompFreq</th>\n",
       "      <th>LanguageHaveWorkedWith</th>\n",
       "      <th>LanguageWantToWorkWith</th>\n",
       "      <th>DatabaseHaveWorkedWith</th>\n",
       "      <th>DatabaseWantToWorkWith</th>\n",
       "      <th>PlatformHaveWorkedWith</th>\n",
       "      <th>PlatformWantToWorkWith</th>\n",
       "      <th>WebframeHaveWorkedWith</th>\n",
       "      <th>WebframeWantToWorkWith</th>\n",
       "      <th>MiscTechHaveWorkedWith</th>\n",
       "      <th>MiscTechWantToWorkWith</th>\n",
       "      <th>ToolsTechHaveWorkedWith</th>\n",
       "      <th>ToolsTechWantToWorkWith</th>\n",
       "      <th>NEWCollabToolsHaveWorkedWith</th>\n",
       "      <th>NEWCollabToolsWantToWorkWith</th>\n",
       "      <th>OpSys</th>\n",
       "      <th>NEWStuck</th>\n",
       "      <th>NEWSOSites</th>\n",
       "      <th>SOVisitFreq</th>\n",
       "      <th>SOAccount</th>\n",
       "      <th>SOPartFreq</th>\n",
       "      <th>SOComm</th>\n",
       "      <th>NEWOtherComms</th>\n",
       "      <th>Age</th>\n",
       "      <th>Gender</th>\n",
       "      <th>Trans</th>\n",
       "      <th>Sexuality</th>\n",
       "      <th>Ethnicity</th>\n",
       "      <th>Accessibility</th>\n",
       "      <th>MentalHealth</th>\n",
       "      <th>SurveyLength</th>\n",
       "      <th>SurveyEase</th>\n",
       "      <th>ConvertedCompYearly</th>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>ResponseId</th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>8</th>\n",
       "      <td>I am a student who is learning to code</td>\n",
       "      <td>Student, full-time</td>\n",
       "      <td>Malaysia</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Bachelor’s degree (B.A., B.S., B.Eng., etc.)</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>School;Online Courses or Certification</td>\n",
       "      <td>4</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>HTML/CSS;JavaScript;PHP;Ruby;SQL;TypeScript</td>\n",
       "      <td>Ruby</td>\n",
       "      <td>MySQL;PostgreSQL;SQLite</td>\n",
       "      <td>PostgreSQL</td>\n",
       "      <td>Heroku;Microsoft Azure</td>\n",
       "      <td>Heroku</td>\n",
       "      <td>Angular.js;jQuery;Ruby on Rails</td>\n",
       "      <td>Ruby on Rails</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Sublime Text;Visual Studio Code</td>\n",
       "      <td>Sublime Text;Visual Studio Code</td>\n",
       "      <td>Linux-based</td>\n",
       "      <td>Visit Stack Overflow;Go for a walk or other ph...</td>\n",
       "      <td>Stack Overflow;Stack Exchange</td>\n",
       "      <td>Multiple times per day</td>\n",
       "      <td>Yes</td>\n",
       "      <td>I have never participated in Q&amp;A on Stack Over...</td>\n",
       "      <td>No, not at all</td>\n",
       "      <td>Yes</td>\n",
       "      <td>18-24 years old</td>\n",
       "      <td>Woman</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>White or of European descent;Multiracial;South...</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Easy</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>40</th>\n",
       "      <td>I am a student who is learning to code</td>\n",
       "      <td>Student, part-time</td>\n",
       "      <td>India</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Bachelor’s degree (B.A., B.S., B.Eng., etc.)</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>School</td>\n",
       "      <td>3</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>C;C#;C++;HTML/CSS;JavaScript;Node.js;Python</td>\n",
       "      <td>NaN</td>\n",
       "      <td>MongoDB</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Heroku</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Express;jQuery;React.js</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Keras;NumPy;TensorFlow</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Flow;Unity 3D</td>\n",
       "      <td>NaN</td>\n",
       "      <td>IPython/Jupyter;Sublime Text;Visual Studio Code</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Linux-based</td>\n",
       "      <td>Visit Stack Overflow;Go for a walk or other ph...</td>\n",
       "      <td>Stack Overflow;Stack Exchange</td>\n",
       "      <td>Multiple times per day</td>\n",
       "      <td>Yes</td>\n",
       "      <td>A few times per month or weekly</td>\n",
       "      <td>Yes, somewhat</td>\n",
       "      <td>Yes</td>\n",
       "      <td>18-24 years old</td>\n",
       "      <td>Woman</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>I have a concentration and/or memory disorder ...</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Easy</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>45</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>France</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Master’s degree (M.A., M.S., M.Eng., MBA, etc.)</td>\n",
       "      <td>18 - 24 years</td>\n",
       "      <td>School</td>\n",
       "      <td>6</td>\n",
       "      <td>Less than 1 year</td>\n",
       "      <td>Developer, full-stack</td>\n",
       "      <td>10 to 19 employees</td>\n",
       "      <td>EUR European Euro</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>HTML/CSS;JavaScript;Node.js;Python;R;SQL;TypeS...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>PostgreSQL</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Google Cloud Platform</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Django;Flask;Vue.js</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NumPy;TensorFlow</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Docker;Git;Kubernetes</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Visual Studio</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Linux-based</td>\n",
       "      <td>Call a coworker or friend;Google it</td>\n",
       "      <td>Stack Overflow</td>\n",
       "      <td>A few times per week</td>\n",
       "      <td>No</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Neutral</td>\n",
       "      <td>No</td>\n",
       "      <td>18-24 years old</td>\n",
       "      <td>Woman</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Neither easy nor difficult</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>54</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Student, full-time</td>\n",
       "      <td>United Kingdom of Great Britain and Northern I...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>England</td>\n",
       "      <td>Master’s degree (M.A., M.S., M.Eng., MBA, etc.)</td>\n",
       "      <td>18 - 24 years</td>\n",
       "      <td>Friend or family member;Online Courses or Cert...</td>\n",
       "      <td>6</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>PowerShell</td>\n",
       "      <td>Python</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Google Cloud Platform</td>\n",
       "      <td>Google Cloud Platform</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Keras;NumPy;Torch/PyTorch</td>\n",
       "      <td>NumPy;Torch/PyTorch</td>\n",
       "      <td>Git</td>\n",
       "      <td>Git</td>\n",
       "      <td>Notepad++;PyCharm</td>\n",
       "      <td>PyCharm</td>\n",
       "      <td>Linux-based</td>\n",
       "      <td>Visit Stack Overflow;Google it;Panic</td>\n",
       "      <td>Stack Overflow;Stack Exchange</td>\n",
       "      <td>A few times per week</td>\n",
       "      <td>Yes</td>\n",
       "      <td>A few times per month or weekly</td>\n",
       "      <td>Yes, somewhat</td>\n",
       "      <td>No</td>\n",
       "      <td>25-34 years old</td>\n",
       "      <td>Woman</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>I have an anxiety disorder</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Easy</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>83</th>\n",
       "      <td>I am a student who is learning to code</td>\n",
       "      <td>Student, full-time</td>\n",
       "      <td>Netherlands</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Associate degree (A.A., A.S., etc.)</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>School</td>\n",
       "      <td>5</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Dart;HTML/CSS;JavaScript;PHP;TypeScript</td>\n",
       "      <td>Dart;HTML/CSS;JavaScript;PHP;TypeScript</td>\n",
       "      <td>MariaDB;MongoDB;MySQL</td>\n",
       "      <td>MariaDB;MongoDB;MySQL</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>jQuery;Laravel;React.js;Vue.js</td>\n",
       "      <td>jQuery;Laravel;React.js</td>\n",
       "      <td>Flutter;React Native</td>\n",
       "      <td>Flutter</td>\n",
       "      <td>Docker;Git</td>\n",
       "      <td>Docker;Git</td>\n",
       "      <td>PHPStorm;Visual Studio Code;Webstorm;Xcode</td>\n",
       "      <td>PHPStorm;Webstorm;Xcode</td>\n",
       "      <td>Windows</td>\n",
       "      <td>Call a coworker or friend;Visit Stack Overflow...</td>\n",
       "      <td>Stack Overflow</td>\n",
       "      <td>Daily or almost daily</td>\n",
       "      <td>Yes</td>\n",
       "      <td>A few times per month or weekly</td>\n",
       "      <td>Yes, definitely</td>\n",
       "      <td>No</td>\n",
       "      <td>18-24 years old</td>\n",
       "      <td>Woman</td>\n",
       "      <td>No</td>\n",
       "      <td>Bisexual</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>I have a concentration and/or memory disorder ...</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Easy</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>...</th>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>83395</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>India</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Bachelor’s degree (B.A., B.S., B.Eng., etc.)</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>Books / Physical media</td>\n",
       "      <td>9</td>\n",
       "      <td>4</td>\n",
       "      <td>Developer, front-end</td>\n",
       "      <td>100 to 499 employees</td>\n",
       "      <td>INR\\tIndian rupee</td>\n",
       "      <td>683000.0</td>\n",
       "      <td>Yearly</td>\n",
       "      <td>HTML/CSS;Java;JavaScript;TypeScript</td>\n",
       "      <td>Node.js</td>\n",
       "      <td>Firebase;MySQL</td>\n",
       "      <td>MongoDB;MySQL;Oracle</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Angular;Angular.js;jQuery;Spring</td>\n",
       "      <td>Express;React.js;Vue.js</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Git</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Eclipse;IntelliJ;Notepad++;Sublime Text;Visual...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Windows</td>\n",
       "      <td>Visit Stack Overflow;Google it;Watch help / tu...</td>\n",
       "      <td>Stack Overflow;Stack Exchange</td>\n",
       "      <td>Daily or almost daily</td>\n",
       "      <td>Yes</td>\n",
       "      <td>I have never participated in Q&amp;A on Stack Over...</td>\n",
       "      <td>Yes, somewhat</td>\n",
       "      <td>No</td>\n",
       "      <td>25-34 years old</td>\n",
       "      <td>Woman</td>\n",
       "      <td>No</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Prefer not to say</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>Prefer not to say</td>\n",
       "      <td>Too long</td>\n",
       "      <td>Neither easy nor difficult</td>\n",
       "      <td>9536.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>83403</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>South Korea</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Secondary school (e.g. American high school, G...</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>Other online resources (ex: videos, blogs, etc...</td>\n",
       "      <td>4</td>\n",
       "      <td>Less than 1 year</td>\n",
       "      <td>Developer, mobile;Developer, front-end;Develop...</td>\n",
       "      <td>2 to 9 employees</td>\n",
       "      <td>KRW\\tSouth Korean won</td>\n",
       "      <td>1860000.0</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>C;Dart;HTML/CSS;Java;JavaScript;Kotlin;Node.js</td>\n",
       "      <td>Dart;Kotlin</td>\n",
       "      <td>Firebase;MariaDB;MongoDB;MySQL;Oracle</td>\n",
       "      <td>Firebase;MySQL;Oracle</td>\n",
       "      <td>AWS;Heroku</td>\n",
       "      <td>AWS</td>\n",
       "      <td>Django;jQuery</td>\n",
       "      <td>React.js;Vue.js</td>\n",
       "      <td>Flutter</td>\n",
       "      <td>Flutter;React Native</td>\n",
       "      <td>Git</td>\n",
       "      <td>Git;Unity 3D</td>\n",
       "      <td>Android Studio;Eclipse;IntelliJ;PyCharm;Visual...</td>\n",
       "      <td>Android Studio;Visual Studio Code;Xcode</td>\n",
       "      <td>MacOS</td>\n",
       "      <td>Call a coworker or friend;Visit Stack Overflow...</td>\n",
       "      <td>Stack Overflow</td>\n",
       "      <td>Multiple times per day</td>\n",
       "      <td>Yes</td>\n",
       "      <td>I have never participated in Q&amp;A on Stack Over...</td>\n",
       "      <td>No, not at all</td>\n",
       "      <td>No</td>\n",
       "      <td>18-24 years old</td>\n",
       "      <td>Woman</td>\n",
       "      <td>No</td>\n",
       "      <td>Bisexual</td>\n",
       "      <td>East Asian</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Easy</td>\n",
       "      <td>18708.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>83414</th>\n",
       "      <td>I used to be a developer by profession, but no...</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>Germany</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Master’s degree (M.A., M.S., M.Eng., MBA, etc.)</td>\n",
       "      <td>18 - 24 years</td>\n",
       "      <td>Other online resources (ex: videos, blogs, etc...</td>\n",
       "      <td>5</td>\n",
       "      <td>3</td>\n",
       "      <td>Other (please specify):</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Bash/Shell;C#;HTML/CSS;Java;JavaScript;Matlab;...</td>\n",
       "      <td>Go;Python</td>\n",
       "      <td>Microsoft SQL Server;MySQL;Oracle</td>\n",
       "      <td>NaN</td>\n",
       "      <td>AWS;Google Cloud Platform;Microsoft Azure</td>\n",
       "      <td>NaN</td>\n",
       "      <td>ASP.NET;ASP.NET Core ;jQuery</td>\n",
       "      <td>Angular;Angular.js;React.js;Spring;Vue.js</td>\n",
       "      <td>.NET Framework;.NET Core / .NET 5</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Eclipse;Notepad++;RStudio;Visual Studio</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Windows</td>\n",
       "      <td>Call a coworker or friend;Visit Stack Overflow...</td>\n",
       "      <td>Stack Overflow</td>\n",
       "      <td>Less than once per month or monthly</td>\n",
       "      <td>No</td>\n",
       "      <td>NaN</td>\n",
       "      <td>No, not really</td>\n",
       "      <td>No</td>\n",
       "      <td>35-44 years old</td>\n",
       "      <td>Woman</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Neither easy nor difficult</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>83422</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Independent contractor, freelancer, or self-em...</td>\n",
       "      <td>Norway</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Bachelor’s degree (B.A., B.S., B.Eng., etc.)</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>School;Friend or family member;Online Courses ...</td>\n",
       "      <td>20</td>\n",
       "      <td>15</td>\n",
       "      <td>Developer, full-stack</td>\n",
       "      <td>100 to 499 employees</td>\n",
       "      <td>NOK\\tNorwegian krone</td>\n",
       "      <td>820000.0</td>\n",
       "      <td>Yearly</td>\n",
       "      <td>Bash/Shell;HTML/CSS;JavaScript;Node.js;Python;...</td>\n",
       "      <td>Bash/Shell;HTML/CSS;JavaScript;Node.js;Python;...</td>\n",
       "      <td>MySQL</td>\n",
       "      <td>DynamoDB;MySQL;Redis</td>\n",
       "      <td>AWS</td>\n",
       "      <td>AWS;Google Cloud Platform;Microsoft Azure</td>\n",
       "      <td>Django;jQuery;React.js</td>\n",
       "      <td>Django;Vue.js</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Docker;Git</td>\n",
       "      <td>Docker;Git;Kubernetes;Terraform</td>\n",
       "      <td>IntelliJ;PyCharm;Vim</td>\n",
       "      <td>Atom;IntelliJ;PyCharm;Vim;Webstorm</td>\n",
       "      <td>MacOS</td>\n",
       "      <td>Call a coworker or friend;Visit Stack Overflow...</td>\n",
       "      <td>Stack Overflow;Stack Exchange</td>\n",
       "      <td>Daily or almost daily</td>\n",
       "      <td>Yes</td>\n",
       "      <td>A few times per week</td>\n",
       "      <td>Yes, definitely</td>\n",
       "      <td>No</td>\n",
       "      <td>35-44 years old</td>\n",
       "      <td>Woman</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Neither easy nor difficult</td>\n",
       "      <td>88474.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>83433</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>Canada</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Bachelor’s degree (B.A., B.S., B.Eng., etc.)</td>\n",
       "      <td>18 - 24 years</td>\n",
       "      <td>School</td>\n",
       "      <td>5</td>\n",
       "      <td>Less than 1 year</td>\n",
       "      <td>Developer, back-end</td>\n",
       "      <td>10,000 or more employees</td>\n",
       "      <td>CAD\\tCanadian dollar</td>\n",
       "      <td>106000.0</td>\n",
       "      <td>Yearly</td>\n",
       "      <td>Ruby</td>\n",
       "      <td>Java;Ruby;TypeScript</td>\n",
       "      <td>MySQL;PostgreSQL</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Google Cloud Platform;Heroku</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Flask;React.js;Ruby on Rails;Vue.js</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NumPy;Pandas;TensorFlow;Torch/PyTorch</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Docker;Git;Kubernetes;Yarn</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Atom;IPython/Jupyter;Vim;Visual Studio Code</td>\n",
       "      <td>NaN</td>\n",
       "      <td>MacOS</td>\n",
       "      <td>Visit Stack Overflow;Go for a walk or other ph...</td>\n",
       "      <td>Stack Overflow;Stack Exchange</td>\n",
       "      <td>Daily or almost daily</td>\n",
       "      <td>No</td>\n",
       "      <td>NaN</td>\n",
       "      <td>No, not really</td>\n",
       "      <td>No</td>\n",
       "      <td>18-24 years old</td>\n",
       "      <td>Woman</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>East Asian</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Easy</td>\n",
       "      <td>80169.0</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "<p>4120 rows × 47 columns</p>\n",
       "</div>"
      ],
      "text/plain": [
       "                                                   MainBranch  \\\n",
       "ResponseId                                                      \n",
       "8                      I am a student who is learning to code   \n",
       "40                     I am a student who is learning to code   \n",
       "45                             I am a developer by profession   \n",
       "54                             I am a developer by profession   \n",
       "83                     I am a student who is learning to code   \n",
       "...                                                       ...   \n",
       "83395                          I am a developer by profession   \n",
       "83403                          I am a developer by profession   \n",
       "83414       I used to be a developer by profession, but no...   \n",
       "83422                          I am a developer by profession   \n",
       "83433                          I am a developer by profession   \n",
       "\n",
       "                                                   Employment  \\\n",
       "ResponseId                                                      \n",
       "8                                          Student, full-time   \n",
       "40                                         Student, part-time   \n",
       "45                                         Employed full-time   \n",
       "54                                         Student, full-time   \n",
       "83                                         Student, full-time   \n",
       "...                                                       ...   \n",
       "83395                                      Employed full-time   \n",
       "83403                                      Employed full-time   \n",
       "83414                                      Employed full-time   \n",
       "83422       Independent contractor, freelancer, or self-em...   \n",
       "83433                                      Employed full-time   \n",
       "\n",
       "                                                      Country US_State  \\\n",
       "ResponseId                                                               \n",
       "8                                                    Malaysia      NaN   \n",
       "40                                                      India      NaN   \n",
       "45                                                     France      NaN   \n",
       "54          United Kingdom of Great Britain and Northern I...      NaN   \n",
       "83                                                Netherlands      NaN   \n",
       "...                                                       ...      ...   \n",
       "83395                                                   India      NaN   \n",
       "83403                                             South Korea      NaN   \n",
       "83414                                                 Germany      NaN   \n",
       "83422                                                  Norway      NaN   \n",
       "83433                                                  Canada      NaN   \n",
       "\n",
       "           UK_Country                                            EdLevel  \\\n",
       "ResponseId                                                                 \n",
       "8                 NaN       Bachelor’s degree (B.A., B.S., B.Eng., etc.)   \n",
       "40                NaN       Bachelor’s degree (B.A., B.S., B.Eng., etc.)   \n",
       "45                NaN    Master’s degree (M.A., M.S., M.Eng., MBA, etc.)   \n",
       "54            England    Master’s degree (M.A., M.S., M.Eng., MBA, etc.)   \n",
       "83                NaN                Associate degree (A.A., A.S., etc.)   \n",
       "...               ...                                                ...   \n",
       "83395             NaN       Bachelor’s degree (B.A., B.S., B.Eng., etc.)   \n",
       "83403             NaN  Secondary school (e.g. American high school, G...   \n",
       "83414             NaN    Master’s degree (M.A., M.S., M.Eng., MBA, etc.)   \n",
       "83422             NaN       Bachelor’s degree (B.A., B.S., B.Eng., etc.)   \n",
       "83433             NaN       Bachelor’s degree (B.A., B.S., B.Eng., etc.)   \n",
       "\n",
       "               Age1stCode                                          LearnCode  \\\n",
       "ResponseId                                                                     \n",
       "8           11 - 17 years             School;Online Courses or Certification   \n",
       "40          11 - 17 years                                             School   \n",
       "45          18 - 24 years                                             School   \n",
       "54          18 - 24 years  Friend or family member;Online Courses or Cert...   \n",
       "83          11 - 17 years                                             School   \n",
       "...                   ...                                                ...   \n",
       "83395       11 - 17 years                             Books / Physical media   \n",
       "83403       11 - 17 years  Other online resources (ex: videos, blogs, etc...   \n",
       "83414       18 - 24 years  Other online resources (ex: videos, blogs, etc...   \n",
       "83422       11 - 17 years  School;Friend or family member;Online Courses ...   \n",
       "83433       18 - 24 years                                             School   \n",
       "\n",
       "           YearsCode      YearsCodePro  \\\n",
       "ResponseId                               \n",
       "8                  4               NaN   \n",
       "40                 3               NaN   \n",
       "45                 6  Less than 1 year   \n",
       "54                 6               NaN   \n",
       "83                 5               NaN   \n",
       "...              ...               ...   \n",
       "83395              9                 4   \n",
       "83403              4  Less than 1 year   \n",
       "83414              5                 3   \n",
       "83422             20                15   \n",
       "83433              5  Less than 1 year   \n",
       "\n",
       "                                                      DevType  \\\n",
       "ResponseId                                                      \n",
       "8                                                         NaN   \n",
       "40                                                        NaN   \n",
       "45                                      Developer, full-stack   \n",
       "54                                                        NaN   \n",
       "83                                                        NaN   \n",
       "...                                                       ...   \n",
       "83395                                    Developer, front-end   \n",
       "83403       Developer, mobile;Developer, front-end;Develop...   \n",
       "83414                                 Other (please specify):   \n",
       "83422                                   Developer, full-stack   \n",
       "83433                                     Developer, back-end   \n",
       "\n",
       "                             OrgSize               Currency  CompTotal  \\\n",
       "ResponseId                                                               \n",
       "8                                NaN                    NaN        NaN   \n",
       "40                               NaN                    NaN        NaN   \n",
       "45                10 to 19 employees      EUR European Euro        NaN   \n",
       "54                               NaN                    NaN        NaN   \n",
       "83                               NaN                    NaN        NaN   \n",
       "...                              ...                    ...        ...   \n",
       "83395           100 to 499 employees      INR\\tIndian rupee   683000.0   \n",
       "83403               2 to 9 employees  KRW\\tSouth Korean won  1860000.0   \n",
       "83414                            NaN                    NaN        NaN   \n",
       "83422           100 to 499 employees   NOK\\tNorwegian krone   820000.0   \n",
       "83433       10,000 or more employees   CAD\\tCanadian dollar   106000.0   \n",
       "\n",
       "           CompFreq                             LanguageHaveWorkedWith  \\\n",
       "ResponseId                                                               \n",
       "8               NaN        HTML/CSS;JavaScript;PHP;Ruby;SQL;TypeScript   \n",
       "40              NaN        C;C#;C++;HTML/CSS;JavaScript;Node.js;Python   \n",
       "45              NaN  HTML/CSS;JavaScript;Node.js;Python;R;SQL;TypeS...   \n",
       "54              NaN                                         PowerShell   \n",
       "83              NaN            Dart;HTML/CSS;JavaScript;PHP;TypeScript   \n",
       "...             ...                                                ...   \n",
       "83395        Yearly                HTML/CSS;Java;JavaScript;TypeScript   \n",
       "83403       Monthly     C;Dart;HTML/CSS;Java;JavaScript;Kotlin;Node.js   \n",
       "83414           NaN  Bash/Shell;C#;HTML/CSS;Java;JavaScript;Matlab;...   \n",
       "83422        Yearly  Bash/Shell;HTML/CSS;JavaScript;Node.js;Python;...   \n",
       "83433        Yearly                                               Ruby   \n",
       "\n",
       "                                       LanguageWantToWorkWith  \\\n",
       "ResponseId                                                      \n",
       "8                                                        Ruby   \n",
       "40                                                        NaN   \n",
       "45                                                        NaN   \n",
       "54                                                     Python   \n",
       "83                    Dart;HTML/CSS;JavaScript;PHP;TypeScript   \n",
       "...                                                       ...   \n",
       "83395                                                 Node.js   \n",
       "83403                                             Dart;Kotlin   \n",
       "83414                                               Go;Python   \n",
       "83422       Bash/Shell;HTML/CSS;JavaScript;Node.js;Python;...   \n",
       "83433                                    Java;Ruby;TypeScript   \n",
       "\n",
       "                           DatabaseHaveWorkedWith DatabaseWantToWorkWith  \\\n",
       "ResponseId                                                                 \n",
       "8                         MySQL;PostgreSQL;SQLite             PostgreSQL   \n",
       "40                                        MongoDB                    NaN   \n",
       "45                                     PostgreSQL                    NaN   \n",
       "54                                            NaN                    NaN   \n",
       "83                          MariaDB;MongoDB;MySQL  MariaDB;MongoDB;MySQL   \n",
       "...                                           ...                    ...   \n",
       "83395                              Firebase;MySQL   MongoDB;MySQL;Oracle   \n",
       "83403       Firebase;MariaDB;MongoDB;MySQL;Oracle  Firebase;MySQL;Oracle   \n",
       "83414           Microsoft SQL Server;MySQL;Oracle                    NaN   \n",
       "83422                                       MySQL   DynamoDB;MySQL;Redis   \n",
       "83433                            MySQL;PostgreSQL                    NaN   \n",
       "\n",
       "                               PlatformHaveWorkedWith  \\\n",
       "ResponseId                                              \n",
       "8                              Heroku;Microsoft Azure   \n",
       "40                                             Heroku   \n",
       "45                              Google Cloud Platform   \n",
       "54                              Google Cloud Platform   \n",
       "83                                                NaN   \n",
       "...                                               ...   \n",
       "83395                                             NaN   \n",
       "83403                                      AWS;Heroku   \n",
       "83414       AWS;Google Cloud Platform;Microsoft Azure   \n",
       "83422                                             AWS   \n",
       "83433                    Google Cloud Platform;Heroku   \n",
       "\n",
       "                               PlatformWantToWorkWith  \\\n",
       "ResponseId                                              \n",
       "8                                              Heroku   \n",
       "40                                                NaN   \n",
       "45                                                NaN   \n",
       "54                              Google Cloud Platform   \n",
       "83                                                NaN   \n",
       "...                                               ...   \n",
       "83395                                             NaN   \n",
       "83403                                             AWS   \n",
       "83414                                             NaN   \n",
       "83422       AWS;Google Cloud Platform;Microsoft Azure   \n",
       "83433                                             NaN   \n",
       "\n",
       "                         WebframeHaveWorkedWith  \\\n",
       "ResponseId                                        \n",
       "8               Angular.js;jQuery;Ruby on Rails   \n",
       "40                      Express;jQuery;React.js   \n",
       "45                          Django;Flask;Vue.js   \n",
       "54                                          NaN   \n",
       "83               jQuery;Laravel;React.js;Vue.js   \n",
       "...                                         ...   \n",
       "83395          Angular;Angular.js;jQuery;Spring   \n",
       "83403                             Django;jQuery   \n",
       "83414              ASP.NET;ASP.NET Core ;jQuery   \n",
       "83422                    Django;jQuery;React.js   \n",
       "83433       Flask;React.js;Ruby on Rails;Vue.js   \n",
       "\n",
       "                               WebframeWantToWorkWith  \\\n",
       "ResponseId                                              \n",
       "8                                       Ruby on Rails   \n",
       "40                                                NaN   \n",
       "45                                                NaN   \n",
       "54                                                NaN   \n",
       "83                            jQuery;Laravel;React.js   \n",
       "...                                               ...   \n",
       "83395                         Express;React.js;Vue.js   \n",
       "83403                                 React.js;Vue.js   \n",
       "83414       Angular;Angular.js;React.js;Spring;Vue.js   \n",
       "83422                                   Django;Vue.js   \n",
       "83433                                             NaN   \n",
       "\n",
       "                           MiscTechHaveWorkedWith MiscTechWantToWorkWith  \\\n",
       "ResponseId                                                                 \n",
       "8                                             NaN                    NaN   \n",
       "40                         Keras;NumPy;TensorFlow                    NaN   \n",
       "45                               NumPy;TensorFlow                    NaN   \n",
       "54                      Keras;NumPy;Torch/PyTorch    NumPy;Torch/PyTorch   \n",
       "83                           Flutter;React Native                Flutter   \n",
       "...                                           ...                    ...   \n",
       "83395                                         NaN                    NaN   \n",
       "83403                                     Flutter   Flutter;React Native   \n",
       "83414           .NET Framework;.NET Core / .NET 5                    NaN   \n",
       "83422                                         NaN                    NaN   \n",
       "83433       NumPy;Pandas;TensorFlow;Torch/PyTorch                    NaN   \n",
       "\n",
       "               ToolsTechHaveWorkedWith          ToolsTechWantToWorkWith  \\\n",
       "ResponseId                                                                \n",
       "8                                  NaN                              NaN   \n",
       "40                       Flow;Unity 3D                              NaN   \n",
       "45               Docker;Git;Kubernetes                              NaN   \n",
       "54                                 Git                              Git   \n",
       "83                          Docker;Git                       Docker;Git   \n",
       "...                                ...                              ...   \n",
       "83395                              Git                              NaN   \n",
       "83403                              Git                     Git;Unity 3D   \n",
       "83414                              NaN                              NaN   \n",
       "83422                       Docker;Git  Docker;Git;Kubernetes;Terraform   \n",
       "83433       Docker;Git;Kubernetes;Yarn                              NaN   \n",
       "\n",
       "                                 NEWCollabToolsHaveWorkedWith  \\\n",
       "ResponseId                                                      \n",
       "8                             Sublime Text;Visual Studio Code   \n",
       "40            IPython/Jupyter;Sublime Text;Visual Studio Code   \n",
       "45                                              Visual Studio   \n",
       "54                                          Notepad++;PyCharm   \n",
       "83                 PHPStorm;Visual Studio Code;Webstorm;Xcode   \n",
       "...                                                       ...   \n",
       "83395       Eclipse;IntelliJ;Notepad++;Sublime Text;Visual...   \n",
       "83403       Android Studio;Eclipse;IntelliJ;PyCharm;Visual...   \n",
       "83414                 Eclipse;Notepad++;RStudio;Visual Studio   \n",
       "83422                                    IntelliJ;PyCharm;Vim   \n",
       "83433             Atom;IPython/Jupyter;Vim;Visual Studio Code   \n",
       "\n",
       "                       NEWCollabToolsWantToWorkWith        OpSys  \\\n",
       "ResponseId                                                         \n",
       "8                   Sublime Text;Visual Studio Code  Linux-based   \n",
       "40                                              NaN  Linux-based   \n",
       "45                                              NaN  Linux-based   \n",
       "54                                          PyCharm  Linux-based   \n",
       "83                          PHPStorm;Webstorm;Xcode      Windows   \n",
       "...                                             ...          ...   \n",
       "83395                                           NaN      Windows   \n",
       "83403       Android Studio;Visual Studio Code;Xcode        MacOS   \n",
       "83414                                           NaN      Windows   \n",
       "83422            Atom;IntelliJ;PyCharm;Vim;Webstorm        MacOS   \n",
       "83433                                           NaN        MacOS   \n",
       "\n",
       "                                                     NEWStuck  \\\n",
       "ResponseId                                                      \n",
       "8           Visit Stack Overflow;Go for a walk or other ph...   \n",
       "40          Visit Stack Overflow;Go for a walk or other ph...   \n",
       "45                        Call a coworker or friend;Google it   \n",
       "54                       Visit Stack Overflow;Google it;Panic   \n",
       "83          Call a coworker or friend;Visit Stack Overflow...   \n",
       "...                                                       ...   \n",
       "83395       Visit Stack Overflow;Google it;Watch help / tu...   \n",
       "83403       Call a coworker or friend;Visit Stack Overflow...   \n",
       "83414       Call a coworker or friend;Visit Stack Overflow...   \n",
       "83422       Call a coworker or friend;Visit Stack Overflow...   \n",
       "83433       Visit Stack Overflow;Go for a walk or other ph...   \n",
       "\n",
       "                               NEWSOSites  \\\n",
       "ResponseId                                  \n",
       "8           Stack Overflow;Stack Exchange   \n",
       "40          Stack Overflow;Stack Exchange   \n",
       "45                         Stack Overflow   \n",
       "54          Stack Overflow;Stack Exchange   \n",
       "83                         Stack Overflow   \n",
       "...                                   ...   \n",
       "83395       Stack Overflow;Stack Exchange   \n",
       "83403                      Stack Overflow   \n",
       "83414                      Stack Overflow   \n",
       "83422       Stack Overflow;Stack Exchange   \n",
       "83433       Stack Overflow;Stack Exchange   \n",
       "\n",
       "                                    SOVisitFreq SOAccount  \\\n",
       "ResponseId                                                  \n",
       "8                        Multiple times per day       Yes   \n",
       "40                       Multiple times per day       Yes   \n",
       "45                         A few times per week        No   \n",
       "54                         A few times per week       Yes   \n",
       "83                        Daily or almost daily       Yes   \n",
       "...                                         ...       ...   \n",
       "83395                     Daily or almost daily       Yes   \n",
       "83403                    Multiple times per day       Yes   \n",
       "83414       Less than once per month or monthly        No   \n",
       "83422                     Daily or almost daily       Yes   \n",
       "83433                     Daily or almost daily        No   \n",
       "\n",
       "                                                   SOPartFreq  \\\n",
       "ResponseId                                                      \n",
       "8           I have never participated in Q&A on Stack Over...   \n",
       "40                            A few times per month or weekly   \n",
       "45                                                        NaN   \n",
       "54                            A few times per month or weekly   \n",
       "83                            A few times per month or weekly   \n",
       "...                                                       ...   \n",
       "83395       I have never participated in Q&A on Stack Over...   \n",
       "83403       I have never participated in Q&A on Stack Over...   \n",
       "83414                                                     NaN   \n",
       "83422                                    A few times per week   \n",
       "83433                                                     NaN   \n",
       "\n",
       "                     SOComm NEWOtherComms              Age Gender Trans  \\\n",
       "ResponseId                                                                \n",
       "8            No, not at all           Yes  18-24 years old  Woman    No   \n",
       "40            Yes, somewhat           Yes  18-24 years old  Woman    No   \n",
       "45                  Neutral            No  18-24 years old  Woman    No   \n",
       "54            Yes, somewhat            No  25-34 years old  Woman    No   \n",
       "83          Yes, definitely            No  18-24 years old  Woman    No   \n",
       "...                     ...           ...              ...    ...   ...   \n",
       "83395         Yes, somewhat            No  25-34 years old  Woman    No   \n",
       "83403        No, not at all            No  18-24 years old  Woman    No   \n",
       "83414        No, not really            No  35-44 years old  Woman    No   \n",
       "83422       Yes, definitely            No  35-44 years old  Woman    No   \n",
       "83433        No, not really            No  18-24 years old  Woman    No   \n",
       "\n",
       "                          Sexuality  \\\n",
       "ResponseId                            \n",
       "8           Straight / Heterosexual   \n",
       "40          Straight / Heterosexual   \n",
       "45          Straight / Heterosexual   \n",
       "54          Straight / Heterosexual   \n",
       "83                         Bisexual   \n",
       "...                             ...   \n",
       "83395                           NaN   \n",
       "83403                      Bisexual   \n",
       "83414       Straight / Heterosexual   \n",
       "83422       Straight / Heterosexual   \n",
       "83433       Straight / Heterosexual   \n",
       "\n",
       "                                                    Ethnicity  \\\n",
       "ResponseId                                                      \n",
       "8           White or of European descent;Multiracial;South...   \n",
       "40                               White or of European descent   \n",
       "45                               White or of European descent   \n",
       "54                               White or of European descent   \n",
       "83                               White or of European descent   \n",
       "...                                                       ...   \n",
       "83395                                       Prefer not to say   \n",
       "83403                                              East Asian   \n",
       "83414                            White or of European descent   \n",
       "83422                            White or of European descent   \n",
       "83433                                              East Asian   \n",
       "\n",
       "                Accessibility  \\\n",
       "ResponseId                      \n",
       "8           None of the above   \n",
       "40          None of the above   \n",
       "45          None of the above   \n",
       "54          None of the above   \n",
       "83          None of the above   \n",
       "...                       ...   \n",
       "83395       None of the above   \n",
       "83403       None of the above   \n",
       "83414       None of the above   \n",
       "83422       None of the above   \n",
       "83433       None of the above   \n",
       "\n",
       "                                                 MentalHealth  \\\n",
       "ResponseId                                                      \n",
       "8                                           None of the above   \n",
       "40          I have a concentration and/or memory disorder ...   \n",
       "45                                          None of the above   \n",
       "54                                 I have an anxiety disorder   \n",
       "83          I have a concentration and/or memory disorder ...   \n",
       "...                                                       ...   \n",
       "83395                                       Prefer not to say   \n",
       "83403                                       None of the above   \n",
       "83414                                       None of the above   \n",
       "83422                                       None of the above   \n",
       "83433                                       None of the above   \n",
       "\n",
       "                     SurveyLength                  SurveyEase  \\\n",
       "ResponseId                                                      \n",
       "8           Appropriate in length                        Easy   \n",
       "40          Appropriate in length                        Easy   \n",
       "45          Appropriate in length  Neither easy nor difficult   \n",
       "54          Appropriate in length                        Easy   \n",
       "83          Appropriate in length                        Easy   \n",
       "...                           ...                         ...   \n",
       "83395                    Too long  Neither easy nor difficult   \n",
       "83403       Appropriate in length                        Easy   \n",
       "83414       Appropriate in length  Neither easy nor difficult   \n",
       "83422       Appropriate in length  Neither easy nor difficult   \n",
       "83433       Appropriate in length                        Easy   \n",
       "\n",
       "            ConvertedCompYearly  \n",
       "ResponseId                       \n",
       "8                           NaN  \n",
       "40                          NaN  \n",
       "45                          NaN  \n",
       "54                          NaN  \n",
       "83                          NaN  \n",
       "...                         ...  \n",
       "83395                    9536.0  \n",
       "83403                   18708.0  \n",
       "83414                       NaN  \n",
       "83422                   88474.0  \n",
       "83433                   80169.0  \n",
       "\n",
       "[4120 rows x 47 columns]"
      ]
     },
     "execution_count": 42,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "answers[answers[\"Gender\"] == \"Woman\"]"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "706ba132",
   "metadata": {},
   "source": [
    "### Para aceder ao nível de educação das mulheres"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 43,
   "id": "099eae3c",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "ResponseId\n",
       "8             Bachelor’s degree (B.A., B.S., B.Eng., etc.)\n",
       "40            Bachelor’s degree (B.A., B.S., B.Eng., etc.)\n",
       "45         Master’s degree (M.A., M.S., M.Eng., MBA, etc.)\n",
       "54         Master’s degree (M.A., M.S., M.Eng., MBA, etc.)\n",
       "83                     Associate degree (A.A., A.S., etc.)\n",
       "                               ...                        \n",
       "83395         Bachelor’s degree (B.A., B.S., B.Eng., etc.)\n",
       "83403    Secondary school (e.g. American high school, G...\n",
       "83414      Master’s degree (M.A., M.S., M.Eng., MBA, etc.)\n",
       "83422         Bachelor’s degree (B.A., B.S., B.Eng., etc.)\n",
       "83433         Bachelor’s degree (B.A., B.S., B.Eng., etc.)\n",
       "Name: EdLevel, Length: 4120, dtype: object"
      ]
     },
     "execution_count": 43,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "answers.loc[answers[\"Gender\"] == \"Woman\", \"EdLevel\"]"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "e8d6b55d",
   "metadata": {},
   "source": [
    "### Para aceder ao nível de educação das mulheres cuja idade está entre os 18 e os 24 anos"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 44,
   "id": "5539d4aa",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "ResponseId\n",
       "8             Bachelor’s degree (B.A., B.S., B.Eng., etc.)\n",
       "40            Bachelor’s degree (B.A., B.S., B.Eng., etc.)\n",
       "45         Master’s degree (M.A., M.S., M.Eng., MBA, etc.)\n",
       "83                     Associate degree (A.A., A.S., etc.)\n",
       "143           Bachelor’s degree (B.A., B.S., B.Eng., etc.)\n",
       "                               ...                        \n",
       "83256    Secondary school (e.g. American high school, G...\n",
       "83350    Secondary school (e.g. American high school, G...\n",
       "83379      Master’s degree (M.A., M.S., M.Eng., MBA, etc.)\n",
       "83403    Secondary school (e.g. American high school, G...\n",
       "83433         Bachelor’s degree (B.A., B.S., B.Eng., etc.)\n",
       "Name: EdLevel, Length: 1282, dtype: object"
      ]
     },
     "execution_count": 44,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "answers.loc[(answers[\"Gender\"] == \"Woman\") & (answers[\"Age\"] == \"18-24 years old\"), \"EdLevel\"]"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "037a8969",
   "metadata": {},
   "source": [
    "### Para aceder ao nível de educação das pessoas que são mulheres ou cuja idade está entre os 18 e os 24 anos"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 45,
   "id": "2dada85d",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "ResponseId\n",
       "2        Bachelor’s degree (B.A., B.S., B.Eng., etc.)\n",
       "3        Bachelor’s degree (B.A., B.S., B.Eng., etc.)\n",
       "6        Bachelor’s degree (B.A., B.S., B.Eng., etc.)\n",
       "8        Bachelor’s degree (B.A., B.S., B.Eng., etc.)\n",
       "22       Bachelor’s degree (B.A., B.S., B.Eng., etc.)\n",
       "                             ...                     \n",
       "83427    Bachelor’s degree (B.A., B.S., B.Eng., etc.)\n",
       "83432    Bachelor’s degree (B.A., B.S., B.Eng., etc.)\n",
       "83433    Bachelor’s degree (B.A., B.S., B.Eng., etc.)\n",
       "83436    Bachelor’s degree (B.A., B.S., B.Eng., etc.)\n",
       "83439              Professional degree (JD, MD, etc.)\n",
       "Name: EdLevel, Length: 23831, dtype: object"
      ]
     },
     "execution_count": 45,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "answers.loc[(answers[\"Gender\"] == \"Woman\") | (answers[\"Age\"] == \"18-24 years old\"), \"EdLevel\"]"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "1f7cbfc1",
   "metadata": {},
   "source": [
    "### Para aceder ao nível de educação das pessoas que não são mulheres e a cuja idade não está entre os 18 e os 24 anos"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 46,
   "id": "ef524222",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "ResponseId\n",
       "1        Secondary school (e.g. American high school, G...\n",
       "4          Master’s degree (M.A., M.S., M.Eng., MBA, etc.)\n",
       "5          Master’s degree (M.A., M.S., M.Eng., MBA, etc.)\n",
       "7        Secondary school (e.g. American high school, G...\n",
       "9             Bachelor’s degree (B.A., B.S., B.Eng., etc.)\n",
       "                               ...                        \n",
       "83431      Master’s degree (M.A., M.S., M.Eng., MBA, etc.)\n",
       "83434         Bachelor’s degree (B.A., B.S., B.Eng., etc.)\n",
       "83435         Bachelor’s degree (B.A., B.S., B.Eng., etc.)\n",
       "83437    Secondary school (e.g. American high school, G...\n",
       "83438         Bachelor’s degree (B.A., B.S., B.Eng., etc.)\n",
       "Name: EdLevel, Length: 59608, dtype: object"
      ]
     },
     "execution_count": 46,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "answers.loc[~((answers[\"Gender\"] == \"Woman\") | (answers[\"Age\"] == \"18-24 years old\")), \"EdLevel\"]"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "9334478e",
   "metadata": {},
   "source": [
    "### Para aceder ao país, às linguagens com que já trabalharam e à compensação total das pessoas cuja compensação total é superior a 70000$"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 47,
   "id": "c11d690c",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>Country</th>\n",
       "      <th>LanguageHaveWorkedWith</th>\n",
       "      <th>CompTotal</th>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>ResponseId</th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>13</th>\n",
       "      <td>Germany</td>\n",
       "      <td>C;C++;Java;Perl;Ruby</td>\n",
       "      <td>71500.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>25</th>\n",
       "      <td>Germany</td>\n",
       "      <td>C++;HTML/CSS;Java;JavaScript;Kotlin;Node.js;Ty...</td>\n",
       "      <td>72000.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>27</th>\n",
       "      <td>Switzerland</td>\n",
       "      <td>C++;Python</td>\n",
       "      <td>80000.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>30</th>\n",
       "      <td>Russian Federation</td>\n",
       "      <td>Delphi;Java;SQL</td>\n",
       "      <td>200000.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>37</th>\n",
       "      <td>United States of America</td>\n",
       "      <td>Assembly;C;Java;Kotlin;Rust</td>\n",
       "      <td>103000.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>...</th>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>83433</th>\n",
       "      <td>Canada</td>\n",
       "      <td>Ruby</td>\n",
       "      <td>106000.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>83434</th>\n",
       "      <td>Brazil</td>\n",
       "      <td>Java;JavaScript;Kotlin;Objective-C;TypeScript</td>\n",
       "      <td>80000.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>83435</th>\n",
       "      <td>United States of America</td>\n",
       "      <td>Clojure;Kotlin;SQL</td>\n",
       "      <td>160500.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>83436</th>\n",
       "      <td>Benin</td>\n",
       "      <td>NaN</td>\n",
       "      <td>200000.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>83438</th>\n",
       "      <td>Canada</td>\n",
       "      <td>Bash/Shell;JavaScript;Node.js;Python</td>\n",
       "      <td>90000.0</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "<p>22491 rows × 3 columns</p>\n",
       "</div>"
      ],
      "text/plain": [
       "                             Country  \\\n",
       "ResponseId                             \n",
       "13                           Germany   \n",
       "25                           Germany   \n",
       "27                       Switzerland   \n",
       "30                Russian Federation   \n",
       "37          United States of America   \n",
       "...                              ...   \n",
       "83433                         Canada   \n",
       "83434                         Brazil   \n",
       "83435       United States of America   \n",
       "83436                          Benin   \n",
       "83438                         Canada   \n",
       "\n",
       "                                       LanguageHaveWorkedWith  CompTotal  \n",
       "ResponseId                                                                \n",
       "13                                       C;C++;Java;Perl;Ruby    71500.0  \n",
       "25          C++;HTML/CSS;Java;JavaScript;Kotlin;Node.js;Ty...    72000.0  \n",
       "27                                                 C++;Python    80000.0  \n",
       "30                                            Delphi;Java;SQL   200000.0  \n",
       "37                                Assembly;C;Java;Kotlin;Rust   103000.0  \n",
       "...                                                       ...        ...  \n",
       "83433                                                    Ruby   106000.0  \n",
       "83434           Java;JavaScript;Kotlin;Objective-C;TypeScript    80000.0  \n",
       "83435                                      Clojure;Kotlin;SQL   160500.0  \n",
       "83436                                                     NaN   200000.0  \n",
       "83438                    Bash/Shell;JavaScript;Node.js;Python    90000.0  \n",
       "\n",
       "[22491 rows x 3 columns]"
      ]
     },
     "execution_count": 47,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "answers.loc[answers[\"CompTotal\"] > 70000, [\"Country\", \"LanguageHaveWorkedWith\", \"CompTotal\"]]"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "5b3156b9",
   "metadata": {},
   "source": [
    "### Para aceder às respostas cujo país toma o valor de Alemanha, Suiça ou Itália"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 48,
   "id": "7d01a23f",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
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       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>MainBranch</th>\n",
       "      <th>Employment</th>\n",
       "      <th>Country</th>\n",
       "      <th>US_State</th>\n",
       "      <th>UK_Country</th>\n",
       "      <th>EdLevel</th>\n",
       "      <th>Age1stCode</th>\n",
       "      <th>LearnCode</th>\n",
       "      <th>YearsCode</th>\n",
       "      <th>YearsCodePro</th>\n",
       "      <th>DevType</th>\n",
       "      <th>OrgSize</th>\n",
       "      <th>Currency</th>\n",
       "      <th>CompTotal</th>\n",
       "      <th>CompFreq</th>\n",
       "      <th>LanguageHaveWorkedWith</th>\n",
       "      <th>LanguageWantToWorkWith</th>\n",
       "      <th>DatabaseHaveWorkedWith</th>\n",
       "      <th>DatabaseWantToWorkWith</th>\n",
       "      <th>PlatformHaveWorkedWith</th>\n",
       "      <th>PlatformWantToWorkWith</th>\n",
       "      <th>WebframeHaveWorkedWith</th>\n",
       "      <th>WebframeWantToWorkWith</th>\n",
       "      <th>MiscTechHaveWorkedWith</th>\n",
       "      <th>MiscTechWantToWorkWith</th>\n",
       "      <th>ToolsTechHaveWorkedWith</th>\n",
       "      <th>ToolsTechWantToWorkWith</th>\n",
       "      <th>NEWCollabToolsHaveWorkedWith</th>\n",
       "      <th>NEWCollabToolsWantToWorkWith</th>\n",
       "      <th>OpSys</th>\n",
       "      <th>NEWStuck</th>\n",
       "      <th>NEWSOSites</th>\n",
       "      <th>SOVisitFreq</th>\n",
       "      <th>SOAccount</th>\n",
       "      <th>SOPartFreq</th>\n",
       "      <th>SOComm</th>\n",
       "      <th>NEWOtherComms</th>\n",
       "      <th>Age</th>\n",
       "      <th>Gender</th>\n",
       "      <th>Trans</th>\n",
       "      <th>Sexuality</th>\n",
       "      <th>Ethnicity</th>\n",
       "      <th>Accessibility</th>\n",
       "      <th>MentalHealth</th>\n",
       "      <th>SurveyLength</th>\n",
       "      <th>SurveyEase</th>\n",
       "      <th>ConvertedCompYearly</th>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>ResponseId</th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>13</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>Germany</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Master’s degree (M.A., M.S., M.Eng., MBA, etc.)</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>Other (please specify):</td>\n",
       "      <td>15</td>\n",
       "      <td>6</td>\n",
       "      <td>Developer, desktop or enterprise applications;...</td>\n",
       "      <td>1,000 to 4,999 employees</td>\n",
       "      <td>EUR European Euro</td>\n",
       "      <td>71500.0</td>\n",
       "      <td>Yearly</td>\n",
       "      <td>C;C++;Java;Perl;Ruby</td>\n",
       "      <td>Rust</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Ruby on Rails</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Qt</td>\n",
       "      <td>NumPy;TensorFlow</td>\n",
       "      <td>Git</td>\n",
       "      <td>Docker;Kubernetes</td>\n",
       "      <td>Vim</td>\n",
       "      <td>Vim;Visual Studio Code</td>\n",
       "      <td>Linux-based</td>\n",
       "      <td>Visit Stack Overflow;Google it;Watch help / tu...</td>\n",
       "      <td>Stack Overflow</td>\n",
       "      <td>Multiple times per day</td>\n",
       "      <td>Yes</td>\n",
       "      <td>Daily or almost daily</td>\n",
       "      <td>Yes, definitely</td>\n",
       "      <td>No</td>\n",
       "      <td>25-34 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>Prefer not to say</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Easy</td>\n",
       "      <td>77290.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>21</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Student, full-time</td>\n",
       "      <td>Germany</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Bachelor’s degree (B.A., B.S., B.Eng., etc.)</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>School;Colleague</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Java;Python</td>\n",
       "      <td>Java;Python</td>\n",
       "      <td>MySQL;PostgreSQL</td>\n",
       "      <td>MySQL;PostgreSQL</td>\n",
       "      <td>AWS</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Spring</td>\n",
       "      <td>Spring</td>\n",
       "      <td>NumPy;Pandas</td>\n",
       "      <td>NumPy;Pandas</td>\n",
       "      <td>Git</td>\n",
       "      <td>Git</td>\n",
       "      <td>IntelliJ;PyCharm</td>\n",
       "      <td>IntelliJ;PyCharm</td>\n",
       "      <td>Windows</td>\n",
       "      <td>Visit Stack Overflow;Google it</td>\n",
       "      <td>Stack Overflow</td>\n",
       "      <td>A few times per month or weekly</td>\n",
       "      <td>Yes</td>\n",
       "      <td>Less than once per month or monthly</td>\n",
       "      <td>Neutral</td>\n",
       "      <td>No</td>\n",
       "      <td>25-34 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>NaN</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Too long</td>\n",
       "      <td>Easy</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>25</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>Germany</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Master’s degree (M.A., M.S., M.Eng., MBA, etc.)</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>School;Friend or family member</td>\n",
       "      <td>26</td>\n",
       "      <td>18</td>\n",
       "      <td>Developer, front-end;Developer, desktop or ent...</td>\n",
       "      <td>1,000 to 4,999 employees</td>\n",
       "      <td>EUR European Euro</td>\n",
       "      <td>72000.0</td>\n",
       "      <td>Yearly</td>\n",
       "      <td>C++;HTML/CSS;Java;JavaScript;Kotlin;Node.js;Ty...</td>\n",
       "      <td>HTML/CSS;Java;JavaScript;Kotlin;Node.js;TypeSc...</td>\n",
       "      <td>DynamoDB;PostgreSQL</td>\n",
       "      <td>PostgreSQL</td>\n",
       "      <td>AWS;Heroku</td>\n",
       "      <td>AWS;Heroku</td>\n",
       "      <td>Angular;Express;Spring</td>\n",
       "      <td>Angular;Express;Spring</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Docker;Git;Kubernetes</td>\n",
       "      <td>Docker;Git;Kubernetes</td>\n",
       "      <td>Android Studio;IntelliJ;Visual Studio Code</td>\n",
       "      <td>Android Studio;IntelliJ;Visual Studio Code</td>\n",
       "      <td>Linux-based</td>\n",
       "      <td>Call a coworker or friend;Visit Stack Overflow...</td>\n",
       "      <td>Stack Overflow</td>\n",
       "      <td>Multiple times per day</td>\n",
       "      <td>Yes</td>\n",
       "      <td>A few times per week</td>\n",
       "      <td>Yes, somewhat</td>\n",
       "      <td>No</td>\n",
       "      <td>35-44 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Easy</td>\n",
       "      <td>77831.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>26</th>\n",
       "      <td>I am not primarily a developer, but I write co...</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>Germany</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Other doctoral degree (Ph.D., Ed.D., etc.)</td>\n",
       "      <td>25 - 34 years</td>\n",
       "      <td>Coding Bootcamp;Online Forum</td>\n",
       "      <td>12</td>\n",
       "      <td>12</td>\n",
       "      <td>Academic researcher;Database administrator;Sci...</td>\n",
       "      <td>100 to 499 employees</td>\n",
       "      <td>EUR European Euro</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>HTML/CSS;Julia;Python;R;SQL</td>\n",
       "      <td>HTML/CSS;Julia;Python;R;SQL</td>\n",
       "      <td>PostgreSQL;SQLite</td>\n",
       "      <td>PostgreSQL</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Django;jQuery</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NumPy;Pandas;TensorFlow</td>\n",
       "      <td>NumPy;Pandas;TensorFlow</td>\n",
       "      <td>Docker;Git</td>\n",
       "      <td>Git</td>\n",
       "      <td>Atom;RStudio;Vim</td>\n",
       "      <td>Atom;RStudio;Vim</td>\n",
       "      <td>Linux-based</td>\n",
       "      <td>Visit Stack Overflow;Go for a walk or other ph...</td>\n",
       "      <td>Stack Overflow;Stack Exchange</td>\n",
       "      <td>A few times per week</td>\n",
       "      <td>Yes</td>\n",
       "      <td>Less than once per month or monthly</td>\n",
       "      <td>Neutral</td>\n",
       "      <td>No</td>\n",
       "      <td>35-44 years old</td>\n",
       "      <td>Non-binary, genderqueer, or gender non-conforming</td>\n",
       "      <td>Prefer not to say</td>\n",
       "      <td>Bisexual</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>I have an anxiety disorder</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Neither easy nor difficult</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>27</th>\n",
       "      <td>I am not primarily a developer, but I write co...</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>Switzerland</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Master’s degree (M.A., M.S., M.Eng., MBA, etc.)</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>Other (please specify):</td>\n",
       "      <td>14</td>\n",
       "      <td>5</td>\n",
       "      <td>Academic researcher;Scientist;Student</td>\n",
       "      <td>5,000 to 9,999 employees</td>\n",
       "      <td>CHF\\tSwiss franc</td>\n",
       "      <td>80000.0</td>\n",
       "      <td>Yearly</td>\n",
       "      <td>C++;Python</td>\n",
       "      <td>C++;Go;Java;Python</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NumPy;Pandas</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Docker;Git</td>\n",
       "      <td>Docker;Git</td>\n",
       "      <td>IntelliJ;IPython/Jupyter</td>\n",
       "      <td>IntelliJ;IPython/Jupyter</td>\n",
       "      <td>Linux-based</td>\n",
       "      <td>Visit Stack Overflow;Go for a walk or other ph...</td>\n",
       "      <td>Stack Overflow;Stack Exchange</td>\n",
       "      <td>Multiple times per day</td>\n",
       "      <td>Yes</td>\n",
       "      <td>I have never participated in Q&amp;A on Stack Over...</td>\n",
       "      <td>Neutral</td>\n",
       "      <td>No</td>\n",
       "      <td>25-34 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>NaN</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Easy</td>\n",
       "      <td>81319.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>...</th>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>83329</th>\n",
       "      <td>I am a student who is learning to code</td>\n",
       "      <td>Student, full-time</td>\n",
       "      <td>Italy</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Some college/university study without earning ...</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>Other online resources (ex: videos, blogs, etc...</td>\n",
       "      <td>7</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>C</td>\n",
       "      <td>C;C++;Python;Rust</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Git</td>\n",
       "      <td>Git</td>\n",
       "      <td>Visual Studio Code</td>\n",
       "      <td>Visual Studio Code</td>\n",
       "      <td>Windows Subsystem for Linux (WSL)</td>\n",
       "      <td>Visit Stack Overflow;Google it;Do other work a...</td>\n",
       "      <td>Stack Overflow;Stack Exchange</td>\n",
       "      <td>A few times per week</td>\n",
       "      <td>Yes</td>\n",
       "      <td>Less than once per month or monthly</td>\n",
       "      <td>No, not really</td>\n",
       "      <td>No</td>\n",
       "      <td>18-24 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Easy</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>83337</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Independent contractor, freelancer, or self-em...</td>\n",
       "      <td>Germany</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Master’s degree (M.A., M.S., M.Eng., MBA, etc.)</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>Other online resources (ex: videos, blogs, etc...</td>\n",
       "      <td>16</td>\n",
       "      <td>4</td>\n",
       "      <td>Developer, mobile;Developer, front-end;Develop...</td>\n",
       "      <td>2 to 9 employees</td>\n",
       "      <td>EUR European Euro</td>\n",
       "      <td>25000.0</td>\n",
       "      <td>Yearly</td>\n",
       "      <td>Assembly;Bash/Shell;C;Delphi;Haskell;HTML/CSS;...</td>\n",
       "      <td>Bash/Shell;C#;HTML/CSS;JavaScript;Node.js;PHP;...</td>\n",
       "      <td>DynamoDB;MariaDB;Microsoft SQL Server;MongoDB;...</td>\n",
       "      <td>DynamoDB;MariaDB;MySQL;SQLite</td>\n",
       "      <td>AWS;DigitalOcean;Google Cloud Platform;Microso...</td>\n",
       "      <td>AWS</td>\n",
       "      <td>Angular;Angular.js;ASP.NET;ASP.NET Core ;Drupa...</td>\n",
       "      <td>Angular;Angular.js;jQuery;React.js;Symfony</td>\n",
       "      <td>.NET Framework;.NET Core / .NET 5;React Native</td>\n",
       "      <td>React Native</td>\n",
       "      <td>Docker;Git;Kubernetes;Unreal Engine;Yarn</td>\n",
       "      <td>Docker;Git</td>\n",
       "      <td>Android Studio;Atom;Eclipse;IntelliJ;NetBeans;...</td>\n",
       "      <td>PHPStorm;Visual Studio Code;Webstorm</td>\n",
       "      <td>MacOS</td>\n",
       "      <td>Visit Stack Overflow;Go for a walk or other ph...</td>\n",
       "      <td>Stack Overflow</td>\n",
       "      <td>Daily or almost daily</td>\n",
       "      <td>No</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Not sure</td>\n",
       "      <td>No</td>\n",
       "      <td>18-24 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Neither easy nor difficult</td>\n",
       "      <td>27025.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>83414</th>\n",
       "      <td>I used to be a developer by profession, but no...</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>Germany</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Master’s degree (M.A., M.S., M.Eng., MBA, etc.)</td>\n",
       "      <td>18 - 24 years</td>\n",
       "      <td>Other online resources (ex: videos, blogs, etc...</td>\n",
       "      <td>5</td>\n",
       "      <td>3</td>\n",
       "      <td>Other (please specify):</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Bash/Shell;C#;HTML/CSS;Java;JavaScript;Matlab;...</td>\n",
       "      <td>Go;Python</td>\n",
       "      <td>Microsoft SQL Server;MySQL;Oracle</td>\n",
       "      <td>NaN</td>\n",
       "      <td>AWS;Google Cloud Platform;Microsoft Azure</td>\n",
       "      <td>NaN</td>\n",
       "      <td>ASP.NET;ASP.NET Core ;jQuery</td>\n",
       "      <td>Angular;Angular.js;React.js;Spring;Vue.js</td>\n",
       "      <td>.NET Framework;.NET Core / .NET 5</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Eclipse;Notepad++;RStudio;Visual Studio</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Windows</td>\n",
       "      <td>Call a coworker or friend;Visit Stack Overflow...</td>\n",
       "      <td>Stack Overflow</td>\n",
       "      <td>Less than once per month or monthly</td>\n",
       "      <td>No</td>\n",
       "      <td>NaN</td>\n",
       "      <td>No, not really</td>\n",
       "      <td>No</td>\n",
       "      <td>35-44 years old</td>\n",
       "      <td>Woman</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Neither easy nor difficult</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>83416</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>Germany</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Master’s degree (M.A., M.S., M.Eng., MBA, etc.)</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>Other online resources (ex: videos, blogs, etc...</td>\n",
       "      <td>33</td>\n",
       "      <td>22</td>\n",
       "      <td>Developer, back-end</td>\n",
       "      <td>100 to 499 employees</td>\n",
       "      <td>EUR European Euro</td>\n",
       "      <td>65.0</td>\n",
       "      <td>Yearly</td>\n",
       "      <td>C;C#;Java</td>\n",
       "      <td>C;C#;Java</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>.NET Framework</td>\n",
       "      <td>.NET Framework</td>\n",
       "      <td>Git</td>\n",
       "      <td>Git</td>\n",
       "      <td>Notepad++;Visual Studio</td>\n",
       "      <td>Notepad++;Visual Studio</td>\n",
       "      <td>Windows</td>\n",
       "      <td>Call a coworker or friend;Visit Stack Overflow...</td>\n",
       "      <td>Stack Overflow;Stack Exchange</td>\n",
       "      <td>Daily or almost daily</td>\n",
       "      <td>Yes</td>\n",
       "      <td>Daily or almost daily</td>\n",
       "      <td>Yes, somewhat</td>\n",
       "      <td>No</td>\n",
       "      <td>45-54 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Easy</td>\n",
       "      <td>70.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>83425</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>Germany</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Bachelor’s degree (B.A., B.S., B.Eng., etc.)</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>Other online resources (ex: videos, blogs, etc...</td>\n",
       "      <td>17</td>\n",
       "      <td>12</td>\n",
       "      <td>Developer, full-stack;Other (please specify):;...</td>\n",
       "      <td>10,000 or more employees</td>\n",
       "      <td>EUR European Euro</td>\n",
       "      <td>120000.0</td>\n",
       "      <td>Yearly</td>\n",
       "      <td>Bash/Shell;C;Go;Java;JavaScript;Perl;SQL</td>\n",
       "      <td>Bash/Shell;Java;Rust;SQL</td>\n",
       "      <td>MySQL</td>\n",
       "      <td>PostgreSQL</td>\n",
       "      <td>AWS;DigitalOcean;Google Cloud Platform</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Angular.js;Spring;Vue.js</td>\n",
       "      <td>Spring</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Docker;Git;Kubernetes;Terraform</td>\n",
       "      <td>Docker;Git;Kubernetes</td>\n",
       "      <td>IntelliJ;Neovim;Vim</td>\n",
       "      <td>IntelliJ;Neovim</td>\n",
       "      <td>MacOS</td>\n",
       "      <td>Call a coworker or friend;Visit Stack Overflow...</td>\n",
       "      <td>Stack Overflow;Stack Exchange</td>\n",
       "      <td>A few times per week</td>\n",
       "      <td>Yes</td>\n",
       "      <td>Less than once per month or monthly</td>\n",
       "      <td>No, not really</td>\n",
       "      <td>No</td>\n",
       "      <td>25-34 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>Or, in your own words:</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Easy</td>\n",
       "      <td>129718.0</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "<p>8213 rows × 47 columns</p>\n",
       "</div>"
      ],
      "text/plain": [
       "                                                   MainBranch  \\\n",
       "ResponseId                                                      \n",
       "13                             I am a developer by profession   \n",
       "21                             I am a developer by profession   \n",
       "25                             I am a developer by profession   \n",
       "26          I am not primarily a developer, but I write co...   \n",
       "27          I am not primarily a developer, but I write co...   \n",
       "...                                                       ...   \n",
       "83329                  I am a student who is learning to code   \n",
       "83337                          I am a developer by profession   \n",
       "83414       I used to be a developer by profession, but no...   \n",
       "83416                          I am a developer by profession   \n",
       "83425                          I am a developer by profession   \n",
       "\n",
       "                                                   Employment      Country  \\\n",
       "ResponseId                                                                   \n",
       "13                                         Employed full-time      Germany   \n",
       "21                                         Student, full-time      Germany   \n",
       "25                                         Employed full-time      Germany   \n",
       "26                                         Employed full-time      Germany   \n",
       "27                                         Employed full-time  Switzerland   \n",
       "...                                                       ...          ...   \n",
       "83329                                      Student, full-time        Italy   \n",
       "83337       Independent contractor, freelancer, or self-em...      Germany   \n",
       "83414                                      Employed full-time      Germany   \n",
       "83416                                      Employed full-time      Germany   \n",
       "83425                                      Employed full-time      Germany   \n",
       "\n",
       "           US_State UK_Country  \\\n",
       "ResponseId                       \n",
       "13              NaN        NaN   \n",
       "21              NaN        NaN   \n",
       "25              NaN        NaN   \n",
       "26              NaN        NaN   \n",
       "27              NaN        NaN   \n",
       "...             ...        ...   \n",
       "83329           NaN        NaN   \n",
       "83337           NaN        NaN   \n",
       "83414           NaN        NaN   \n",
       "83416           NaN        NaN   \n",
       "83425           NaN        NaN   \n",
       "\n",
       "                                                      EdLevel     Age1stCode  \\\n",
       "ResponseId                                                                     \n",
       "13            Master’s degree (M.A., M.S., M.Eng., MBA, etc.)  11 - 17 years   \n",
       "21               Bachelor’s degree (B.A., B.S., B.Eng., etc.)  11 - 17 years   \n",
       "25            Master’s degree (M.A., M.S., M.Eng., MBA, etc.)  11 - 17 years   \n",
       "26                 Other doctoral degree (Ph.D., Ed.D., etc.)  25 - 34 years   \n",
       "27            Master’s degree (M.A., M.S., M.Eng., MBA, etc.)  11 - 17 years   \n",
       "...                                                       ...            ...   \n",
       "83329       Some college/university study without earning ...  11 - 17 years   \n",
       "83337         Master’s degree (M.A., M.S., M.Eng., MBA, etc.)  11 - 17 years   \n",
       "83414         Master’s degree (M.A., M.S., M.Eng., MBA, etc.)  18 - 24 years   \n",
       "83416         Master’s degree (M.A., M.S., M.Eng., MBA, etc.)  11 - 17 years   \n",
       "83425            Bachelor’s degree (B.A., B.S., B.Eng., etc.)  11 - 17 years   \n",
       "\n",
       "                                                    LearnCode YearsCode  \\\n",
       "ResponseId                                                                \n",
       "13                                    Other (please specify):        15   \n",
       "21                                           School;Colleague       NaN   \n",
       "25                             School;Friend or family member        26   \n",
       "26                               Coding Bootcamp;Online Forum        12   \n",
       "27                                    Other (please specify):        14   \n",
       "...                                                       ...       ...   \n",
       "83329       Other online resources (ex: videos, blogs, etc...         7   \n",
       "83337       Other online resources (ex: videos, blogs, etc...        16   \n",
       "83414       Other online resources (ex: videos, blogs, etc...         5   \n",
       "83416       Other online resources (ex: videos, blogs, etc...        33   \n",
       "83425       Other online resources (ex: videos, blogs, etc...        17   \n",
       "\n",
       "           YearsCodePro                                            DevType  \\\n",
       "ResponseId                                                                   \n",
       "13                    6  Developer, desktop or enterprise applications;...   \n",
       "21                  NaN                                                NaN   \n",
       "25                   18  Developer, front-end;Developer, desktop or ent...   \n",
       "26                   12  Academic researcher;Database administrator;Sci...   \n",
       "27                    5              Academic researcher;Scientist;Student   \n",
       "...                 ...                                                ...   \n",
       "83329               NaN                                                NaN   \n",
       "83337                 4  Developer, mobile;Developer, front-end;Develop...   \n",
       "83414                 3                            Other (please specify):   \n",
       "83416                22                                Developer, back-end   \n",
       "83425                12  Developer, full-stack;Other (please specify):;...   \n",
       "\n",
       "                             OrgSize           Currency  CompTotal CompFreq  \\\n",
       "ResponseId                                                                    \n",
       "13          1,000 to 4,999 employees  EUR European Euro    71500.0   Yearly   \n",
       "21                               NaN                NaN        NaN      NaN   \n",
       "25          1,000 to 4,999 employees  EUR European Euro    72000.0   Yearly   \n",
       "26              100 to 499 employees  EUR European Euro        NaN  Monthly   \n",
       "27          5,000 to 9,999 employees   CHF\\tSwiss franc    80000.0   Yearly   \n",
       "...                              ...                ...        ...      ...   \n",
       "83329                            NaN                NaN        NaN      NaN   \n",
       "83337               2 to 9 employees  EUR European Euro    25000.0   Yearly   \n",
       "83414                            NaN                NaN        NaN      NaN   \n",
       "83416           100 to 499 employees  EUR European Euro       65.0   Yearly   \n",
       "83425       10,000 or more employees  EUR European Euro   120000.0   Yearly   \n",
       "\n",
       "                                       LanguageHaveWorkedWith  \\\n",
       "ResponseId                                                      \n",
       "13                                       C;C++;Java;Perl;Ruby   \n",
       "21                                                Java;Python   \n",
       "25          C++;HTML/CSS;Java;JavaScript;Kotlin;Node.js;Ty...   \n",
       "26                                HTML/CSS;Julia;Python;R;SQL   \n",
       "27                                                 C++;Python   \n",
       "...                                                       ...   \n",
       "83329                                                       C   \n",
       "83337       Assembly;Bash/Shell;C;Delphi;Haskell;HTML/CSS;...   \n",
       "83414       Bash/Shell;C#;HTML/CSS;Java;JavaScript;Matlab;...   \n",
       "83416                                               C;C#;Java   \n",
       "83425                Bash/Shell;C;Go;Java;JavaScript;Perl;SQL   \n",
       "\n",
       "                                       LanguageWantToWorkWith  \\\n",
       "ResponseId                                                      \n",
       "13                                                       Rust   \n",
       "21                                                Java;Python   \n",
       "25          HTML/CSS;Java;JavaScript;Kotlin;Node.js;TypeSc...   \n",
       "26                                HTML/CSS;Julia;Python;R;SQL   \n",
       "27                                         C++;Go;Java;Python   \n",
       "...                                                       ...   \n",
       "83329                                       C;C++;Python;Rust   \n",
       "83337       Bash/Shell;C#;HTML/CSS;JavaScript;Node.js;PHP;...   \n",
       "83414                                               Go;Python   \n",
       "83416                                               C;C#;Java   \n",
       "83425                                Bash/Shell;Java;Rust;SQL   \n",
       "\n",
       "                                       DatabaseHaveWorkedWith  \\\n",
       "ResponseId                                                      \n",
       "13                                                        NaN   \n",
       "21                                           MySQL;PostgreSQL   \n",
       "25                                        DynamoDB;PostgreSQL   \n",
       "26                                          PostgreSQL;SQLite   \n",
       "27                                                        NaN   \n",
       "...                                                       ...   \n",
       "83329                                                     NaN   \n",
       "83337       DynamoDB;MariaDB;Microsoft SQL Server;MongoDB;...   \n",
       "83414                       Microsoft SQL Server;MySQL;Oracle   \n",
       "83416                                                     NaN   \n",
       "83425                                                   MySQL   \n",
       "\n",
       "                   DatabaseWantToWorkWith  \\\n",
       "ResponseId                                  \n",
       "13                                    NaN   \n",
       "21                       MySQL;PostgreSQL   \n",
       "25                             PostgreSQL   \n",
       "26                             PostgreSQL   \n",
       "27                                    NaN   \n",
       "...                                   ...   \n",
       "83329                                 NaN   \n",
       "83337       DynamoDB;MariaDB;MySQL;SQLite   \n",
       "83414                                 NaN   \n",
       "83416                                 NaN   \n",
       "83425                          PostgreSQL   \n",
       "\n",
       "                                       PlatformHaveWorkedWith  \\\n",
       "ResponseId                                                      \n",
       "13                                                        NaN   \n",
       "21                                                        AWS   \n",
       "25                                                 AWS;Heroku   \n",
       "26                                                        NaN   \n",
       "27                                                        NaN   \n",
       "...                                                       ...   \n",
       "83329                                                     NaN   \n",
       "83337       AWS;DigitalOcean;Google Cloud Platform;Microso...   \n",
       "83414               AWS;Google Cloud Platform;Microsoft Azure   \n",
       "83416                                                     NaN   \n",
       "83425                  AWS;DigitalOcean;Google Cloud Platform   \n",
       "\n",
       "           PlatformWantToWorkWith  \\\n",
       "ResponseId                          \n",
       "13                            NaN   \n",
       "21                            NaN   \n",
       "25                     AWS;Heroku   \n",
       "26                            NaN   \n",
       "27                            NaN   \n",
       "...                           ...   \n",
       "83329                         NaN   \n",
       "83337                         AWS   \n",
       "83414                         NaN   \n",
       "83416                         NaN   \n",
       "83425                         NaN   \n",
       "\n",
       "                                       WebframeHaveWorkedWith  \\\n",
       "ResponseId                                                      \n",
       "13                                              Ruby on Rails   \n",
       "21                                                     Spring   \n",
       "25                                     Angular;Express;Spring   \n",
       "26                                              Django;jQuery   \n",
       "27                                                        NaN   \n",
       "...                                                       ...   \n",
       "83329                                                     NaN   \n",
       "83337       Angular;Angular.js;ASP.NET;ASP.NET Core ;Drupa...   \n",
       "83414                            ASP.NET;ASP.NET Core ;jQuery   \n",
       "83416                                                     NaN   \n",
       "83425                                Angular.js;Spring;Vue.js   \n",
       "\n",
       "                                WebframeWantToWorkWith  \\\n",
       "ResponseId                                               \n",
       "13                                                 NaN   \n",
       "21                                              Spring   \n",
       "25                              Angular;Express;Spring   \n",
       "26                                                 NaN   \n",
       "27                                                 NaN   \n",
       "...                                                ...   \n",
       "83329                                              NaN   \n",
       "83337       Angular;Angular.js;jQuery;React.js;Symfony   \n",
       "83414        Angular;Angular.js;React.js;Spring;Vue.js   \n",
       "83416                                              NaN   \n",
       "83425                                           Spring   \n",
       "\n",
       "                                    MiscTechHaveWorkedWith  \\\n",
       "ResponseId                                                   \n",
       "13                                                      Qt   \n",
       "21                                            NumPy;Pandas   \n",
       "25                                                     NaN   \n",
       "26                                 NumPy;Pandas;TensorFlow   \n",
       "27                                            NumPy;Pandas   \n",
       "...                                                    ...   \n",
       "83329                                                  NaN   \n",
       "83337       .NET Framework;.NET Core / .NET 5;React Native   \n",
       "83414                    .NET Framework;.NET Core / .NET 5   \n",
       "83416                                       .NET Framework   \n",
       "83425                                                  NaN   \n",
       "\n",
       "             MiscTechWantToWorkWith                   ToolsTechHaveWorkedWith  \\\n",
       "ResponseId                                                                      \n",
       "13                 NumPy;TensorFlow                                       Git   \n",
       "21                     NumPy;Pandas                                       Git   \n",
       "25                              NaN                     Docker;Git;Kubernetes   \n",
       "26          NumPy;Pandas;TensorFlow                                Docker;Git   \n",
       "27                              NaN                                Docker;Git   \n",
       "...                             ...                                       ...   \n",
       "83329                           NaN                                       Git   \n",
       "83337                  React Native  Docker;Git;Kubernetes;Unreal Engine;Yarn   \n",
       "83414                           NaN                                       NaN   \n",
       "83416                .NET Framework                                       Git   \n",
       "83425                           NaN           Docker;Git;Kubernetes;Terraform   \n",
       "\n",
       "           ToolsTechWantToWorkWith  \\\n",
       "ResponseId                           \n",
       "13               Docker;Kubernetes   \n",
       "21                             Git   \n",
       "25           Docker;Git;Kubernetes   \n",
       "26                             Git   \n",
       "27                      Docker;Git   \n",
       "...                            ...   \n",
       "83329                          Git   \n",
       "83337                   Docker;Git   \n",
       "83414                          NaN   \n",
       "83416                          Git   \n",
       "83425        Docker;Git;Kubernetes   \n",
       "\n",
       "                                 NEWCollabToolsHaveWorkedWith  \\\n",
       "ResponseId                                                      \n",
       "13                                                        Vim   \n",
       "21                                           IntelliJ;PyCharm   \n",
       "25                 Android Studio;IntelliJ;Visual Studio Code   \n",
       "26                                           Atom;RStudio;Vim   \n",
       "27                                   IntelliJ;IPython/Jupyter   \n",
       "...                                                       ...   \n",
       "83329                                      Visual Studio Code   \n",
       "83337       Android Studio;Atom;Eclipse;IntelliJ;NetBeans;...   \n",
       "83414                 Eclipse;Notepad++;RStudio;Visual Studio   \n",
       "83416                                 Notepad++;Visual Studio   \n",
       "83425                                     IntelliJ;Neovim;Vim   \n",
       "\n",
       "                          NEWCollabToolsWantToWorkWith  \\\n",
       "ResponseId                                               \n",
       "13                              Vim;Visual Studio Code   \n",
       "21                                    IntelliJ;PyCharm   \n",
       "25          Android Studio;IntelliJ;Visual Studio Code   \n",
       "26                                    Atom;RStudio;Vim   \n",
       "27                            IntelliJ;IPython/Jupyter   \n",
       "...                                                ...   \n",
       "83329                               Visual Studio Code   \n",
       "83337             PHPStorm;Visual Studio Code;Webstorm   \n",
       "83414                                              NaN   \n",
       "83416                          Notepad++;Visual Studio   \n",
       "83425                                  IntelliJ;Neovim   \n",
       "\n",
       "                                        OpSys  \\\n",
       "ResponseId                                      \n",
       "13                                Linux-based   \n",
       "21                                    Windows   \n",
       "25                                Linux-based   \n",
       "26                                Linux-based   \n",
       "27                                Linux-based   \n",
       "...                                       ...   \n",
       "83329       Windows Subsystem for Linux (WSL)   \n",
       "83337                                   MacOS   \n",
       "83414                                 Windows   \n",
       "83416                                 Windows   \n",
       "83425                                   MacOS   \n",
       "\n",
       "                                                     NEWStuck  \\\n",
       "ResponseId                                                      \n",
       "13          Visit Stack Overflow;Google it;Watch help / tu...   \n",
       "21                             Visit Stack Overflow;Google it   \n",
       "25          Call a coworker or friend;Visit Stack Overflow...   \n",
       "26          Visit Stack Overflow;Go for a walk or other ph...   \n",
       "27          Visit Stack Overflow;Go for a walk or other ph...   \n",
       "...                                                       ...   \n",
       "83329       Visit Stack Overflow;Google it;Do other work a...   \n",
       "83337       Visit Stack Overflow;Go for a walk or other ph...   \n",
       "83414       Call a coworker or friend;Visit Stack Overflow...   \n",
       "83416       Call a coworker or friend;Visit Stack Overflow...   \n",
       "83425       Call a coworker or friend;Visit Stack Overflow...   \n",
       "\n",
       "                               NEWSOSites  \\\n",
       "ResponseId                                  \n",
       "13                         Stack Overflow   \n",
       "21                         Stack Overflow   \n",
       "25                         Stack Overflow   \n",
       "26          Stack Overflow;Stack Exchange   \n",
       "27          Stack Overflow;Stack Exchange   \n",
       "...                                   ...   \n",
       "83329       Stack Overflow;Stack Exchange   \n",
       "83337                      Stack Overflow   \n",
       "83414                      Stack Overflow   \n",
       "83416       Stack Overflow;Stack Exchange   \n",
       "83425       Stack Overflow;Stack Exchange   \n",
       "\n",
       "                                    SOVisitFreq SOAccount  \\\n",
       "ResponseId                                                  \n",
       "13                       Multiple times per day       Yes   \n",
       "21              A few times per month or weekly       Yes   \n",
       "25                       Multiple times per day       Yes   \n",
       "26                         A few times per week       Yes   \n",
       "27                       Multiple times per day       Yes   \n",
       "...                                         ...       ...   \n",
       "83329                      A few times per week       Yes   \n",
       "83337                     Daily or almost daily        No   \n",
       "83414       Less than once per month or monthly        No   \n",
       "83416                     Daily or almost daily       Yes   \n",
       "83425                      A few times per week       Yes   \n",
       "\n",
       "                                                   SOPartFreq  \\\n",
       "ResponseId                                                      \n",
       "13                                      Daily or almost daily   \n",
       "21                        Less than once per month or monthly   \n",
       "25                                       A few times per week   \n",
       "26                        Less than once per month or monthly   \n",
       "27          I have never participated in Q&A on Stack Over...   \n",
       "...                                                       ...   \n",
       "83329                     Less than once per month or monthly   \n",
       "83337                                                     NaN   \n",
       "83414                                                     NaN   \n",
       "83416                                   Daily or almost daily   \n",
       "83425                     Less than once per month or monthly   \n",
       "\n",
       "                     SOComm NEWOtherComms              Age  \\\n",
       "ResponseId                                                   \n",
       "13          Yes, definitely            No  25-34 years old   \n",
       "21                  Neutral            No  25-34 years old   \n",
       "25            Yes, somewhat            No  35-44 years old   \n",
       "26                  Neutral            No  35-44 years old   \n",
       "27                  Neutral            No  25-34 years old   \n",
       "...                     ...           ...              ...   \n",
       "83329        No, not really            No  18-24 years old   \n",
       "83337              Not sure            No  18-24 years old   \n",
       "83414        No, not really            No  35-44 years old   \n",
       "83416         Yes, somewhat            No  45-54 years old   \n",
       "83425        No, not really            No  25-34 years old   \n",
       "\n",
       "                                                       Gender  \\\n",
       "ResponseId                                                      \n",
       "13                                                        Man   \n",
       "21                                                        Man   \n",
       "25                                                        Man   \n",
       "26          Non-binary, genderqueer, or gender non-conforming   \n",
       "27                                                        Man   \n",
       "...                                                       ...   \n",
       "83329                                                     Man   \n",
       "83337                                                     Man   \n",
       "83414                                                   Woman   \n",
       "83416                                                     Man   \n",
       "83425                                                     Man   \n",
       "\n",
       "                        Trans                Sexuality  \\\n",
       "ResponseId                                               \n",
       "13                         No  Straight / Heterosexual   \n",
       "21                         No                      NaN   \n",
       "25                         No  Straight / Heterosexual   \n",
       "26          Prefer not to say                 Bisexual   \n",
       "27                         No                      NaN   \n",
       "...                       ...                      ...   \n",
       "83329                      No  Straight / Heterosexual   \n",
       "83337                      No  Straight / Heterosexual   \n",
       "83414                      No  Straight / Heterosexual   \n",
       "83416                      No  Straight / Heterosexual   \n",
       "83425                      No  Straight / Heterosexual   \n",
       "\n",
       "                               Ethnicity      Accessibility  \\\n",
       "ResponseId                                                    \n",
       "13          White or of European descent  None of the above   \n",
       "21          White or of European descent                NaN   \n",
       "25          White or of European descent  None of the above   \n",
       "26          White or of European descent  None of the above   \n",
       "27          White or of European descent  None of the above   \n",
       "...                                  ...                ...   \n",
       "83329       White or of European descent  None of the above   \n",
       "83337       White or of European descent  None of the above   \n",
       "83414       White or of European descent  None of the above   \n",
       "83416       White or of European descent  None of the above   \n",
       "83425       White or of European descent  None of the above   \n",
       "\n",
       "                          MentalHealth           SurveyLength  \\\n",
       "ResponseId                                                      \n",
       "13                   Prefer not to say  Appropriate in length   \n",
       "21                                 NaN               Too long   \n",
       "25                   None of the above  Appropriate in length   \n",
       "26          I have an anxiety disorder  Appropriate in length   \n",
       "27                   None of the above  Appropriate in length   \n",
       "...                                ...                    ...   \n",
       "83329                None of the above  Appropriate in length   \n",
       "83337                None of the above  Appropriate in length   \n",
       "83414                None of the above  Appropriate in length   \n",
       "83416                None of the above  Appropriate in length   \n",
       "83425           Or, in your own words:  Appropriate in length   \n",
       "\n",
       "                            SurveyEase  ConvertedCompYearly  \n",
       "ResponseId                                                   \n",
       "13                                Easy              77290.0  \n",
       "21                                Easy                  NaN  \n",
       "25                                Easy              77831.0  \n",
       "26          Neither easy nor difficult                  NaN  \n",
       "27                                Easy              81319.0  \n",
       "...                                ...                  ...  \n",
       "83329                             Easy                  NaN  \n",
       "83337       Neither easy nor difficult              27025.0  \n",
       "83414       Neither easy nor difficult                  NaN  \n",
       "83416                             Easy                 70.0  \n",
       "83425                             Easy             129718.0  \n",
       "\n",
       "[8213 rows x 47 columns]"
      ]
     },
     "execution_count": 48,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "countries = [\"Germany\", \"Switzerland\", \"Italy\"]\n",
    "\n",
    "answers.loc[answers[\"Country\"].isin(countries)]"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "0efc090a",
   "metadata": {},
   "source": [
    "### Para aceder às respostas cujo campo com as linguagens com que já trabalharam inclui Python"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 49,
   "id": "f751452a",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "ResponseId\n",
       "2                                        JavaScript;Python\n",
       "3                                 Assembly;C;Python;R;Rust\n",
       "5                           Bash/Shell;HTML/CSS;Python;SQL\n",
       "6        C;C#;C++;HTML/CSS;Java;JavaScript;Node.js;Powe...\n",
       "10                                              C++;Python\n",
       "                               ...                        \n",
       "83430               HTML/CSS;PHP;PowerShell;Python;SQL;VBA\n",
       "83431          APL;Clojure;LISP;Python;Ruby;SQL;TypeScript\n",
       "83432    C#;Dart;HTML/CSS;Java;JavaScript;Kotlin;Node.j...\n",
       "83437                                   Groovy;Java;Python\n",
       "83438                 Bash/Shell;JavaScript;Node.js;Python\n",
       "Name: LanguageHaveWorkedWith, Length: 39792, dtype: object"
      ]
     },
     "execution_count": 49,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "answers.loc[answers[\"LanguageHaveWorkedWith\"].str.contains(\"Python\", na = False), \"LanguageHaveWorkedWith\"]"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "6854ab40",
   "metadata": {},
   "source": [
    "## Alterar linhas e colunas"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "4d49dada",
   "metadata": {},
   "source": [
    "### Para alterar os rótulos das colunas"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 50,
   "id": "a83ca6ea",
   "metadata": {},
   "outputs": [],
   "source": [
    "students_df.columns = [\"university course\", \"full name\", \"id\"]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 51,
   "id": "4252094b",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>university course</th>\n",
       "      <th>full name</th>\n",
       "      <th>id</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>Direito</td>\n",
       "      <td>Francisco Gonçalves</td>\n",
       "      <td>76433</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>Biologia</td>\n",
       "      <td>Carlos Costa</td>\n",
       "      <td>78944</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>Arquitetura</td>\n",
       "      <td>Maria Almeida</td>\n",
       "      <td>74822</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "  university course            full name     id\n",
       "0           Direito  Francisco Gonçalves  76433\n",
       "1          Biologia         Carlos Costa  78944\n",
       "2       Arquitetura        Maria Almeida  74822"
      ]
     },
     "execution_count": 51,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "students_df"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 52,
   "id": "717ac0d3",
   "metadata": {},
   "outputs": [],
   "source": [
    "students_df.rename(columns={\"university course\": \"course\", \"full name\": \"name\", \"id\": \"number\"}, inplace = True)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 53,
   "id": "2cb19a4a",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>course</th>\n",
       "      <th>name</th>\n",
       "      <th>number</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>Direito</td>\n",
       "      <td>Francisco Gonçalves</td>\n",
       "      <td>76433</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>Biologia</td>\n",
       "      <td>Carlos Costa</td>\n",
       "      <td>78944</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>Arquitetura</td>\n",
       "      <td>Maria Almeida</td>\n",
       "      <td>74822</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "        course                 name  number\n",
       "0      Direito  Francisco Gonçalves   76433\n",
       "1     Biologia         Carlos Costa   78944\n",
       "2  Arquitetura        Maria Almeida   74822"
      ]
     },
     "execution_count": 53,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "students_df"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 54,
   "id": "5a8c8569",
   "metadata": {},
   "outputs": [],
   "source": [
    "students_df.columns = [x.upper() for x in students_df.columns]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 55,
   "id": "425e94d6",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>COURSE</th>\n",
       "      <th>NAME</th>\n",
       "      <th>NUMBER</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>Direito</td>\n",
       "      <td>Francisco Gonçalves</td>\n",
       "      <td>76433</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>Biologia</td>\n",
       "      <td>Carlos Costa</td>\n",
       "      <td>78944</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>Arquitetura</td>\n",
       "      <td>Maria Almeida</td>\n",
       "      <td>74822</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "        COURSE                 NAME  NUMBER\n",
       "0      Direito  Francisco Gonçalves   76433\n",
       "1     Biologia         Carlos Costa   78944\n",
       "2  Arquitetura        Maria Almeida   74822"
      ]
     },
     "execution_count": 55,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "students_df"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "3a06918b",
   "metadata": {},
   "source": [
    "### Para alterar a informação do terceiro aluno"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 56,
   "id": "7880adb2",
   "metadata": {},
   "outputs": [],
   "source": [
    "students_df.loc[2] = [\"Medicina\", \"Fabiana Silva\", 74877]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 57,
   "id": "ed2cdfc5",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>COURSE</th>\n",
       "      <th>NAME</th>\n",
       "      <th>NUMBER</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>Direito</td>\n",
       "      <td>Francisco Gonçalves</td>\n",
       "      <td>76433</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>Biologia</td>\n",
       "      <td>Carlos Costa</td>\n",
       "      <td>78944</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>Medicina</td>\n",
       "      <td>Fabiana Silva</td>\n",
       "      <td>74877</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "     COURSE                 NAME  NUMBER\n",
       "0   Direito  Francisco Gonçalves   76433\n",
       "1  Biologia         Carlos Costa   78944\n",
       "2  Medicina        Fabiana Silva   74877"
      ]
     },
     "execution_count": 57,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "students_df"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "798498eb",
   "metadata": {},
   "source": [
    "### Para alterar o nome do terceiro aluno"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 58,
   "id": "d4d41257",
   "metadata": {},
   "outputs": [],
   "source": [
    "students_df.loc[2, \"NAME\"] = \"Guilherme Costa\""
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 59,
   "id": "9a300cbc",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
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       "\n",
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       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>COURSE</th>\n",
       "      <th>NAME</th>\n",
       "      <th>NUMBER</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>Direito</td>\n",
       "      <td>Francisco Gonçalves</td>\n",
       "      <td>76433</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>Biologia</td>\n",
       "      <td>Carlos Costa</td>\n",
       "      <td>78944</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>Medicina</td>\n",
       "      <td>Guilherme Costa</td>\n",
       "      <td>74877</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "     COURSE                 NAME  NUMBER\n",
       "0   Direito  Francisco Gonçalves   76433\n",
       "1  Biologia         Carlos Costa   78944\n",
       "2  Medicina      Guilherme Costa   74877"
      ]
     },
     "execution_count": 59,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "students_df"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 60,
   "id": "2d262c98",
   "metadata": {},
   "outputs": [],
   "source": [
    "students_df.at[2, \"NAME\"] = \"Fabiana Silva\""
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 61,
   "id": "d14cca0e",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>COURSE</th>\n",
       "      <th>NAME</th>\n",
       "      <th>NUMBER</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>Direito</td>\n",
       "      <td>Francisco Gonçalves</td>\n",
       "      <td>76433</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>Biologia</td>\n",
       "      <td>Carlos Costa</td>\n",
       "      <td>78944</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>Medicina</td>\n",
       "      <td>Fabiana Silva</td>\n",
       "      <td>74877</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "     COURSE                 NAME  NUMBER\n",
       "0   Direito  Francisco Gonçalves   76433\n",
       "1  Biologia         Carlos Costa   78944\n",
       "2  Medicina        Fabiana Silva   74877"
      ]
     },
     "execution_count": 61,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "students_df"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "af03ff2d",
   "metadata": {},
   "source": [
    "### Para alterar o curso e o número do terceiro aluno"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 62,
   "id": "9aa9da63",
   "metadata": {},
   "outputs": [],
   "source": [
    "students_df.loc[2, [\"COURSE\", \"NUMBER\"]] = [\"Arqueologia\", 76877]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 63,
   "id": "535ab7c6",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>COURSE</th>\n",
       "      <th>NAME</th>\n",
       "      <th>NUMBER</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>Direito</td>\n",
       "      <td>Francisco Gonçalves</td>\n",
       "      <td>76433</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>Biologia</td>\n",
       "      <td>Carlos Costa</td>\n",
       "      <td>78944</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>Arqueologia</td>\n",
       "      <td>Fabiana Silva</td>\n",
       "      <td>76877</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "        COURSE                 NAME  NUMBER\n",
       "0      Direito  Francisco Gonçalves   76433\n",
       "1     Biologia         Carlos Costa   78944\n",
       "2  Arqueologia        Fabiana Silva   76877"
      ]
     },
     "execution_count": 63,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "students_df"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "27a4015e",
   "metadata": {},
   "source": [
    "### Para alterar todos os números cujo valor seja 76877"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 64,
   "id": "a71a2f09",
   "metadata": {},
   "outputs": [],
   "source": [
    "students_df.loc[students_df[\"NUMBER\"] == 76877, \"NUMBER\"] = 76855"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 65,
   "id": "d892ac6b",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>COURSE</th>\n",
       "      <th>NAME</th>\n",
       "      <th>NUMBER</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>Direito</td>\n",
       "      <td>Francisco Gonçalves</td>\n",
       "      <td>76433</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>Biologia</td>\n",
       "      <td>Carlos Costa</td>\n",
       "      <td>78944</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>Arqueologia</td>\n",
       "      <td>Fabiana Silva</td>\n",
       "      <td>76855</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "        COURSE                 NAME  NUMBER\n",
       "0      Direito  Francisco Gonçalves   76433\n",
       "1     Biologia         Carlos Costa   78944\n",
       "2  Arqueologia        Fabiana Silva   76855"
      ]
     },
     "execution_count": 65,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "students_df"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "2722c8c6",
   "metadata": {},
   "source": [
    "### Para passar todos os cursos para minúsculas"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 66,
   "id": "f611d9cd",
   "metadata": {},
   "outputs": [],
   "source": [
    "students_df[\"COURSE\"] = students_df[\"COURSE\"].str.lower()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 67,
   "id": "2a87918e",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>COURSE</th>\n",
       "      <th>NAME</th>\n",
       "      <th>NUMBER</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>direito</td>\n",
       "      <td>Francisco Gonçalves</td>\n",
       "      <td>76433</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>biologia</td>\n",
       "      <td>Carlos Costa</td>\n",
       "      <td>78944</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>arqueologia</td>\n",
       "      <td>Fabiana Silva</td>\n",
       "      <td>76855</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "        COURSE                 NAME  NUMBER\n",
       "0      direito  Francisco Gonçalves   76433\n",
       "1     biologia         Carlos Costa   78944\n",
       "2  arqueologia        Fabiana Silva   76855"
      ]
     },
     "execution_count": 67,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "students_df"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "47d5dda4",
   "metadata": {},
   "source": [
    "### Para visualizar o comprimento de todos os nomes"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 68,
   "id": "3c99e62a",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "0    19\n",
       "1    12\n",
       "2    13\n",
       "Name: NAME, dtype: int64"
      ]
     },
     "execution_count": 68,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "students_df[\"NAME\"].apply(len)"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "10cb7035",
   "metadata": {},
   "source": [
    "### Para visualizar o número de valores em cada linha"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 69,
   "id": "f0eb5bc4",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "0    3\n",
       "1    3\n",
       "2    3\n",
       "dtype: int64"
      ]
     },
     "execution_count": 69,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "students_df.apply(len, axis = \"columns\")"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "9d361467",
   "metadata": {},
   "source": [
    "### Para colocar o prefixo em todos os números"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 70,
   "id": "2cd16e36",
   "metadata": {},
   "outputs": [],
   "source": [
    "def update_number(number):\n",
    "    return \"pg\"+str(number)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 71,
   "id": "f14e6395",
   "metadata": {},
   "outputs": [],
   "source": [
    "students_df[\"NUMBER\"] = students_df[\"NUMBER\"].apply(update_number)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 72,
   "id": "741e387c",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>COURSE</th>\n",
       "      <th>NAME</th>\n",
       "      <th>NUMBER</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>direito</td>\n",
       "      <td>Francisco Gonçalves</td>\n",
       "      <td>pg76433</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>biologia</td>\n",
       "      <td>Carlos Costa</td>\n",
       "      <td>pg78944</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>arqueologia</td>\n",
       "      <td>Fabiana Silva</td>\n",
       "      <td>pg76855</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "        COURSE                 NAME   NUMBER\n",
       "0      direito  Francisco Gonçalves  pg76433\n",
       "1     biologia         Carlos Costa  pg78944\n",
       "2  arqueologia        Fabiana Silva  pg76855"
      ]
     },
     "execution_count": 72,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "students_df"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "015f1d7f",
   "metadata": {},
   "source": [
    "### Para retirar o prefixo de todos os números"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 73,
   "id": "bd21d971",
   "metadata": {},
   "outputs": [],
   "source": [
    "students_df[\"NUMBER\"] = students_df[\"NUMBER\"].apply(lambda x: x[2:])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 74,
   "id": "5edd9ffb",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>COURSE</th>\n",
       "      <th>NAME</th>\n",
       "      <th>NUMBER</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>direito</td>\n",
       "      <td>Francisco Gonçalves</td>\n",
       "      <td>76433</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>biologia</td>\n",
       "      <td>Carlos Costa</td>\n",
       "      <td>78944</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>arqueologia</td>\n",
       "      <td>Fabiana Silva</td>\n",
       "      <td>76855</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "        COURSE                 NAME NUMBER\n",
       "0      direito  Francisco Gonçalves  76433\n",
       "1     biologia         Carlos Costa  78944\n",
       "2  arqueologia        Fabiana Silva  76855"
      ]
     },
     "execution_count": 74,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "students_df"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "48cf24f1",
   "metadata": {},
   "source": [
    "### Para visualizar o mínimo de todas as colunas"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 75,
   "id": "5af6a628",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "COURSE     arqueologia\n",
       "NAME      Carlos Costa\n",
       "NUMBER           76433\n",
       "dtype: object"
      ]
     },
     "execution_count": 75,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "students_df.apply(pd.Series.min)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 76,
   "id": "2c2cbf33",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "COURSE     arqueologia\n",
       "NAME      Carlos Costa\n",
       "NUMBER           76433\n",
       "dtype: object"
      ]
     },
     "execution_count": 76,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "students_df.apply(lambda x: x.min())"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "3553e933",
   "metadata": {},
   "source": [
    "### Para aceder ao comprimento de todos os valores do DataFrame"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 77,
   "id": "d467eb74",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>COURSE</th>\n",
       "      <th>NAME</th>\n",
       "      <th>NUMBER</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>7</td>\n",
       "      <td>19</td>\n",
       "      <td>5</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>8</td>\n",
       "      <td>12</td>\n",
       "      <td>5</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>11</td>\n",
       "      <td>13</td>\n",
       "      <td>5</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "   COURSE  NAME  NUMBER\n",
       "0       7    19       5\n",
       "1       8    12       5\n",
       "2      11    13       5"
      ]
     },
     "execution_count": 77,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "students_df.applymap(len)"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "fb03c516",
   "metadata": {},
   "source": [
    "### Para alterar os nomes Francisco Gonçalves e Carlos Costa"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 78,
   "id": "44c72ad5",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "0    Francisco\n",
       "1       Carlos\n",
       "2          NaN\n",
       "Name: NAME, dtype: object"
      ]
     },
     "execution_count": 78,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "students_df[\"NAME\"].map({\"Francisco Gonçalves\": \"Francisco\", \"Carlos Costa\": \"Carlos\"})"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 79,
   "id": "627e1016",
   "metadata": {},
   "outputs": [],
   "source": [
    "students_df[\"NAME\"] = students_df[\"NAME\"].replace({\"Francisco Gonçalves\": \"Francisco\", \"Carlos Costa\": \"Carlos\"})"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 80,
   "id": "3f04ba02",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>COURSE</th>\n",
       "      <th>NAME</th>\n",
       "      <th>NUMBER</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>direito</td>\n",
       "      <td>Francisco</td>\n",
       "      <td>76433</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>biologia</td>\n",
       "      <td>Carlos</td>\n",
       "      <td>78944</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>arqueologia</td>\n",
       "      <td>Fabiana Silva</td>\n",
       "      <td>76855</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "        COURSE           NAME NUMBER\n",
       "0      direito      Francisco  76433\n",
       "1     biologia         Carlos  78944\n",
       "2  arqueologia  Fabiana Silva  76855"
      ]
     },
     "execution_count": 80,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "students_df"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "88c66c12",
   "metadata": {},
   "source": [
    "## Adicionar/remover linhas e colunas"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "1137e906",
   "metadata": {},
   "source": [
    "### Para criar uma nova coluna que vai ter o nome e o número separados por um hífen"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 81,
   "id": "5c82680b",
   "metadata": {},
   "outputs": [],
   "source": [
    "students_df[\"NAME_NUMBER\"] = students_df[\"NAME\"] + \" - \" + students_df[\"NUMBER\"]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 82,
   "id": "22875f72",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>COURSE</th>\n",
       "      <th>NAME</th>\n",
       "      <th>NUMBER</th>\n",
       "      <th>NAME_NUMBER</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>direito</td>\n",
       "      <td>Francisco</td>\n",
       "      <td>76433</td>\n",
       "      <td>Francisco - 76433</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>biologia</td>\n",
       "      <td>Carlos</td>\n",
       "      <td>78944</td>\n",
       "      <td>Carlos - 78944</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>arqueologia</td>\n",
       "      <td>Fabiana Silva</td>\n",
       "      <td>76855</td>\n",
       "      <td>Fabiana Silva - 76855</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "        COURSE           NAME NUMBER            NAME_NUMBER\n",
       "0      direito      Francisco  76433      Francisco - 76433\n",
       "1     biologia         Carlos  78944         Carlos - 78944\n",
       "2  arqueologia  Fabiana Silva  76855  Fabiana Silva - 76855"
      ]
     },
     "execution_count": 82,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "students_df"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "c8bff2dc",
   "metadata": {},
   "source": [
    "### Para eliminar colunas"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 83,
   "id": "6c8257a9",
   "metadata": {},
   "outputs": [],
   "source": [
    "students_df.drop(columns = [\"NAME\", \"NUMBER\"], inplace = True)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 84,
   "id": "96af2560",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>COURSE</th>\n",
       "      <th>NAME_NUMBER</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>direito</td>\n",
       "      <td>Francisco - 76433</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>biologia</td>\n",
       "      <td>Carlos - 78944</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>arqueologia</td>\n",
       "      <td>Fabiana Silva - 76855</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "        COURSE            NAME_NUMBER\n",
       "0      direito      Francisco - 76433\n",
       "1     biologia         Carlos - 78944\n",
       "2  arqueologia  Fabiana Silva - 76855"
      ]
     },
     "execution_count": 84,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "students_df"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "258c5f1a",
   "metadata": {},
   "source": [
    "### Para criar duas novas colunas que vão ter a parte antes do hífen e a parte depois do hífen da coluna _NAME_NUMBER_"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 85,
   "id": "53a77bf7",
   "metadata": {},
   "outputs": [],
   "source": [
    "students_df[[\"NAME\", \"NUMBER\"]] = students_df[\"NAME_NUMBER\"].str.split(\" - \", expand = True)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 86,
   "id": "4b95df05",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>COURSE</th>\n",
       "      <th>NAME_NUMBER</th>\n",
       "      <th>NAME</th>\n",
       "      <th>NUMBER</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>direito</td>\n",
       "      <td>Francisco - 76433</td>\n",
       "      <td>Francisco</td>\n",
       "      <td>76433</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>biologia</td>\n",
       "      <td>Carlos - 78944</td>\n",
       "      <td>Carlos</td>\n",
       "      <td>78944</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>arqueologia</td>\n",
       "      <td>Fabiana Silva - 76855</td>\n",
       "      <td>Fabiana Silva</td>\n",
       "      <td>76855</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "        COURSE            NAME_NUMBER           NAME NUMBER\n",
       "0      direito      Francisco - 76433      Francisco  76433\n",
       "1     biologia         Carlos - 78944         Carlos  78944\n",
       "2  arqueologia  Fabiana Silva - 76855  Fabiana Silva  76855"
      ]
     },
     "execution_count": 86,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "students_df"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "c0e01b62",
   "metadata": {},
   "source": [
    "### Para adicionar uma nova linha"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 87,
   "id": "700e1ab6",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>COURSE</th>\n",
       "      <th>NAME_NUMBER</th>\n",
       "      <th>NAME</th>\n",
       "      <th>NUMBER</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>direito</td>\n",
       "      <td>Francisco - 76433</td>\n",
       "      <td>Francisco</td>\n",
       "      <td>76433</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>biologia</td>\n",
       "      <td>Carlos - 78944</td>\n",
       "      <td>Carlos</td>\n",
       "      <td>78944</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>arqueologia</td>\n",
       "      <td>Fabiana Silva - 76855</td>\n",
       "      <td>Fabiana Silva</td>\n",
       "      <td>76855</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Rui</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "        COURSE            NAME_NUMBER           NAME NUMBER\n",
       "0      direito      Francisco - 76433      Francisco  76433\n",
       "1     biologia         Carlos - 78944         Carlos  78944\n",
       "2  arqueologia  Fabiana Silva - 76855  Fabiana Silva  76855\n",
       "3          NaN                    NaN            Rui    NaN"
      ]
     },
     "execution_count": 87,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "students_df.append({\"NAME\": \"Rui\"}, ignore_index = True)"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "112f689d",
   "metadata": {},
   "source": [
    "### Para adicionar um novo DataFrame"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 88,
   "id": "9f98ecca",
   "metadata": {},
   "outputs": [],
   "source": [
    "new_students = {\n",
    "    \"NAME\": [\"Vitor\", \"Joana\", \"Ricardo\"],\n",
    "    \"NUMBER\": [76133, 78144, 74122],\n",
    "    \"COURSE\": [\"Marketing\", \"Marketing\", \"Marketing\"]\n",
    "}"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 89,
   "id": "97fa65ca",
   "metadata": {},
   "outputs": [],
   "source": [
    "new_students_df = pd.DataFrame(new_students)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 90,
   "id": "03da24f6",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>NAME</th>\n",
       "      <th>NUMBER</th>\n",
       "      <th>COURSE</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>Vitor</td>\n",
       "      <td>76133</td>\n",
       "      <td>Marketing</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>Joana</td>\n",
       "      <td>78144</td>\n",
       "      <td>Marketing</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>Ricardo</td>\n",
       "      <td>74122</td>\n",
       "      <td>Marketing</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "      NAME  NUMBER     COURSE\n",
       "0    Vitor   76133  Marketing\n",
       "1    Joana   78144  Marketing\n",
       "2  Ricardo   74122  Marketing"
      ]
     },
     "execution_count": 90,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "new_students_df"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 91,
   "id": "27c7b8fd",
   "metadata": {},
   "outputs": [],
   "source": [
    "students_df = students_df.append(new_students_df, ignore_index = True)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 92,
   "id": "f2b850dd",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>COURSE</th>\n",
       "      <th>NAME_NUMBER</th>\n",
       "      <th>NAME</th>\n",
       "      <th>NUMBER</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>direito</td>\n",
       "      <td>Francisco - 76433</td>\n",
       "      <td>Francisco</td>\n",
       "      <td>76433</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>biologia</td>\n",
       "      <td>Carlos - 78944</td>\n",
       "      <td>Carlos</td>\n",
       "      <td>78944</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>arqueologia</td>\n",
       "      <td>Fabiana Silva - 76855</td>\n",
       "      <td>Fabiana Silva</td>\n",
       "      <td>76855</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>Marketing</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Vitor</td>\n",
       "      <td>76133</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>Marketing</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Joana</td>\n",
       "      <td>78144</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>5</th>\n",
       "      <td>Marketing</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Ricardo</td>\n",
       "      <td>74122</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "        COURSE            NAME_NUMBER           NAME NUMBER\n",
       "0      direito      Francisco - 76433      Francisco  76433\n",
       "1     biologia         Carlos - 78944         Carlos  78944\n",
       "2  arqueologia  Fabiana Silva - 76855  Fabiana Silva  76855\n",
       "3    Marketing                    NaN          Vitor  76133\n",
       "4    Marketing                    NaN          Joana  78144\n",
       "5    Marketing                    NaN        Ricardo  74122"
      ]
     },
     "execution_count": 92,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "students_df"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "3af4a28a",
   "metadata": {},
   "source": [
    "### Para eliminar a sexta linha"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 93,
   "id": "1220c1be",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>COURSE</th>\n",
       "      <th>NAME_NUMBER</th>\n",
       "      <th>NAME</th>\n",
       "      <th>NUMBER</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>direito</td>\n",
       "      <td>Francisco - 76433</td>\n",
       "      <td>Francisco</td>\n",
       "      <td>76433</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>biologia</td>\n",
       "      <td>Carlos - 78944</td>\n",
       "      <td>Carlos</td>\n",
       "      <td>78944</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>arqueologia</td>\n",
       "      <td>Fabiana Silva - 76855</td>\n",
       "      <td>Fabiana Silva</td>\n",
       "      <td>76855</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>Marketing</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Vitor</td>\n",
       "      <td>76133</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>Marketing</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Joana</td>\n",
       "      <td>78144</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "        COURSE            NAME_NUMBER           NAME NUMBER\n",
       "0      direito      Francisco - 76433      Francisco  76433\n",
       "1     biologia         Carlos - 78944         Carlos  78944\n",
       "2  arqueologia  Fabiana Silva - 76855  Fabiana Silva  76855\n",
       "3    Marketing                    NaN          Vitor  76133\n",
       "4    Marketing                    NaN          Joana  78144"
      ]
     },
     "execution_count": 93,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "students_df.drop(index = 5)"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "7cf590a4",
   "metadata": {},
   "source": [
    "### Para eliminar as linhas onde o nome toma o valor de Carlos"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 94,
   "id": "da25f069",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>COURSE</th>\n",
       "      <th>NAME_NUMBER</th>\n",
       "      <th>NAME</th>\n",
       "      <th>NUMBER</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>direito</td>\n",
       "      <td>Francisco - 76433</td>\n",
       "      <td>Francisco</td>\n",
       "      <td>76433</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>arqueologia</td>\n",
       "      <td>Fabiana Silva - 76855</td>\n",
       "      <td>Fabiana Silva</td>\n",
       "      <td>76855</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>Marketing</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Vitor</td>\n",
       "      <td>76133</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>Marketing</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Joana</td>\n",
       "      <td>78144</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>5</th>\n",
       "      <td>Marketing</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Ricardo</td>\n",
       "      <td>74122</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "        COURSE            NAME_NUMBER           NAME NUMBER\n",
       "0      direito      Francisco - 76433      Francisco  76433\n",
       "2  arqueologia  Fabiana Silva - 76855  Fabiana Silva  76855\n",
       "3    Marketing                    NaN          Vitor  76133\n",
       "4    Marketing                    NaN          Joana  78144\n",
       "5    Marketing                    NaN        Ricardo  74122"
      ]
     },
     "execution_count": 94,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "students_df.drop(index = students_df[students_df[\"NAME\"] == \"Carlos\"].index)"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "92996e46",
   "metadata": {},
   "source": [
    "## Ordenar dados"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "caea4e28",
   "metadata": {},
   "source": [
    "### Para ordenar os valores da coluna _NAME_"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 95,
   "id": "6b45ca7d",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "1           Carlos\n",
       "2    Fabiana Silva\n",
       "0        Francisco\n",
       "4            Joana\n",
       "5          Ricardo\n",
       "3            Vitor\n",
       "Name: NAME, dtype: object"
      ]
     },
     "execution_count": 95,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "students_df[\"NAME\"].sort_values()"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "5d37a309",
   "metadata": {},
   "source": [
    "### Para ordenar os valores segundo o curso"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 96,
   "id": "89674a2e",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>COURSE</th>\n",
       "      <th>NAME_NUMBER</th>\n",
       "      <th>NAME</th>\n",
       "      <th>NUMBER</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>Marketing</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Vitor</td>\n",
       "      <td>76133</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>Marketing</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Joana</td>\n",
       "      <td>78144</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>5</th>\n",
       "      <td>Marketing</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Ricardo</td>\n",
       "      <td>74122</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>arqueologia</td>\n",
       "      <td>Fabiana Silva - 76855</td>\n",
       "      <td>Fabiana Silva</td>\n",
       "      <td>76855</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>biologia</td>\n",
       "      <td>Carlos - 78944</td>\n",
       "      <td>Carlos</td>\n",
       "      <td>78944</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>direito</td>\n",
       "      <td>Francisco - 76433</td>\n",
       "      <td>Francisco</td>\n",
       "      <td>76433</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "        COURSE            NAME_NUMBER           NAME NUMBER\n",
       "3    Marketing                    NaN          Vitor  76133\n",
       "4    Marketing                    NaN          Joana  78144\n",
       "5    Marketing                    NaN        Ricardo  74122\n",
       "2  arqueologia  Fabiana Silva - 76855  Fabiana Silva  76855\n",
       "1     biologia         Carlos - 78944         Carlos  78944\n",
       "0      direito      Francisco - 76433      Francisco  76433"
      ]
     },
     "execution_count": 96,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "students_df.sort_values(by=\"COURSE\")"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "8cfd5187",
   "metadata": {},
   "source": [
    "### Para ordenar os valores por ordem decrescente segundo o curso"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 97,
   "id": "9cf9b838",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>COURSE</th>\n",
       "      <th>NAME_NUMBER</th>\n",
       "      <th>NAME</th>\n",
       "      <th>NUMBER</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>direito</td>\n",
       "      <td>Francisco - 76433</td>\n",
       "      <td>Francisco</td>\n",
       "      <td>76433</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>biologia</td>\n",
       "      <td>Carlos - 78944</td>\n",
       "      <td>Carlos</td>\n",
       "      <td>78944</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>arqueologia</td>\n",
       "      <td>Fabiana Silva - 76855</td>\n",
       "      <td>Fabiana Silva</td>\n",
       "      <td>76855</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>Marketing</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Vitor</td>\n",
       "      <td>76133</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>Marketing</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Joana</td>\n",
       "      <td>78144</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>5</th>\n",
       "      <td>Marketing</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Ricardo</td>\n",
       "      <td>74122</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "        COURSE            NAME_NUMBER           NAME NUMBER\n",
       "0      direito      Francisco - 76433      Francisco  76433\n",
       "1     biologia         Carlos - 78944         Carlos  78944\n",
       "2  arqueologia  Fabiana Silva - 76855  Fabiana Silva  76855\n",
       "3    Marketing                    NaN          Vitor  76133\n",
       "4    Marketing                    NaN          Joana  78144\n",
       "5    Marketing                    NaN        Ricardo  74122"
      ]
     },
     "execution_count": 97,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "students_df.sort_values(by=\"COURSE\", ascending = False)"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "8dbafe8c",
   "metadata": {},
   "source": [
    "### Para ordenar os valores por ordem decrescente segundo o curso e, depois, segundo o nome"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 98,
   "id": "cb24032b",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>COURSE</th>\n",
       "      <th>NAME_NUMBER</th>\n",
       "      <th>NAME</th>\n",
       "      <th>NUMBER</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>direito</td>\n",
       "      <td>Francisco - 76433</td>\n",
       "      <td>Francisco</td>\n",
       "      <td>76433</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>biologia</td>\n",
       "      <td>Carlos - 78944</td>\n",
       "      <td>Carlos</td>\n",
       "      <td>78944</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>arqueologia</td>\n",
       "      <td>Fabiana Silva - 76855</td>\n",
       "      <td>Fabiana Silva</td>\n",
       "      <td>76855</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>Marketing</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Vitor</td>\n",
       "      <td>76133</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>5</th>\n",
       "      <td>Marketing</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Ricardo</td>\n",
       "      <td>74122</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>Marketing</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Joana</td>\n",
       "      <td>78144</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "        COURSE            NAME_NUMBER           NAME NUMBER\n",
       "0      direito      Francisco - 76433      Francisco  76433\n",
       "1     biologia         Carlos - 78944         Carlos  78944\n",
       "2  arqueologia  Fabiana Silva - 76855  Fabiana Silva  76855\n",
       "3    Marketing                    NaN          Vitor  76133\n",
       "5    Marketing                    NaN        Ricardo  74122\n",
       "4    Marketing                    NaN          Joana  78144"
      ]
     },
     "execution_count": 98,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "students_df.sort_values(by=[\"COURSE\", \"NAME\"], ascending = False)"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "41481de0",
   "metadata": {},
   "source": [
    "### Para ordenar os valores por ordem decrescente segundo o curso e, depois, por ordem crescente segundo o nome"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 99,
   "id": "8655bc20",
   "metadata": {},
   "outputs": [],
   "source": [
    "students_df.sort_values(by=[\"COURSE\", \"NAME\"], ascending = [False, True], inplace = True)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 100,
   "id": "bf4d354c",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>COURSE</th>\n",
       "      <th>NAME_NUMBER</th>\n",
       "      <th>NAME</th>\n",
       "      <th>NUMBER</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>direito</td>\n",
       "      <td>Francisco - 76433</td>\n",
       "      <td>Francisco</td>\n",
       "      <td>76433</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>biologia</td>\n",
       "      <td>Carlos - 78944</td>\n",
       "      <td>Carlos</td>\n",
       "      <td>78944</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>arqueologia</td>\n",
       "      <td>Fabiana Silva - 76855</td>\n",
       "      <td>Fabiana Silva</td>\n",
       "      <td>76855</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>Marketing</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Joana</td>\n",
       "      <td>78144</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>5</th>\n",
       "      <td>Marketing</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Ricardo</td>\n",
       "      <td>74122</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>Marketing</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Vitor</td>\n",
       "      <td>76133</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "        COURSE            NAME_NUMBER           NAME NUMBER\n",
       "0      direito      Francisco - 76433      Francisco  76433\n",
       "1     biologia         Carlos - 78944         Carlos  78944\n",
       "2  arqueologia  Fabiana Silva - 76855  Fabiana Silva  76855\n",
       "4    Marketing                    NaN          Joana  78144\n",
       "5    Marketing                    NaN        Ricardo  74122\n",
       "3    Marketing                    NaN          Vitor  76133"
      ]
     },
     "execution_count": 100,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "students_df"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "0009ffe9",
   "metadata": {},
   "source": [
    "### Para ordenar os valores segundo o índice"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 101,
   "id": "a9cd6d24",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>COURSE</th>\n",
       "      <th>NAME_NUMBER</th>\n",
       "      <th>NAME</th>\n",
       "      <th>NUMBER</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>direito</td>\n",
       "      <td>Francisco - 76433</td>\n",
       "      <td>Francisco</td>\n",
       "      <td>76433</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>biologia</td>\n",
       "      <td>Carlos - 78944</td>\n",
       "      <td>Carlos</td>\n",
       "      <td>78944</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>arqueologia</td>\n",
       "      <td>Fabiana Silva - 76855</td>\n",
       "      <td>Fabiana Silva</td>\n",
       "      <td>76855</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>Marketing</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Vitor</td>\n",
       "      <td>76133</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>Marketing</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Joana</td>\n",
       "      <td>78144</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>5</th>\n",
       "      <td>Marketing</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Ricardo</td>\n",
       "      <td>74122</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "        COURSE            NAME_NUMBER           NAME NUMBER\n",
       "0      direito      Francisco - 76433      Francisco  76433\n",
       "1     biologia         Carlos - 78944         Carlos  78944\n",
       "2  arqueologia  Fabiana Silva - 76855  Fabiana Silva  76855\n",
       "3    Marketing                    NaN          Vitor  76133\n",
       "4    Marketing                    NaN          Joana  78144\n",
       "5    Marketing                    NaN        Ricardo  74122"
      ]
     },
     "execution_count": 101,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "students_df.sort_index()"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "7543e9a6",
   "metadata": {},
   "source": [
    "### Para visualizar os tipos das colunas"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 102,
   "id": "7f4b4d97",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "COURSE         object\n",
       "NAME_NUMBER    object\n",
       "NAME           object\n",
       "NUMBER         object\n",
       "dtype: object"
      ]
     },
     "execution_count": 102,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "students_df.dtypes"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "ea229e37",
   "metadata": {},
   "source": [
    "### Para alterar o tipo da coluna _NUMBER_"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 103,
   "id": "5a536a5c",
   "metadata": {},
   "outputs": [],
   "source": [
    "students_df[\"NUMBER\"] = students_df[\"NUMBER\"].astype(int)"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "772d2ad4",
   "metadata": {},
   "source": [
    "### Para aceder aos 4 maiores valores da coluna _NUMBER_"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 104,
   "id": "8520dbd5",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "1    78944\n",
       "4    78144\n",
       "2    76855\n",
       "0    76433\n",
       "Name: NUMBER, dtype: int64"
      ]
     },
     "execution_count": 104,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "students_df[\"NUMBER\"].nlargest(4)"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "7aa45d34",
   "metadata": {},
   "source": [
    "### Para aceder às linhas com os 4 maiores valores da coluna _NUMBER_"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 105,
   "id": "4a5ecb26",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>COURSE</th>\n",
       "      <th>NAME_NUMBER</th>\n",
       "      <th>NAME</th>\n",
       "      <th>NUMBER</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>biologia</td>\n",
       "      <td>Carlos - 78944</td>\n",
       "      <td>Carlos</td>\n",
       "      <td>78944</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>Marketing</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Joana</td>\n",
       "      <td>78144</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>arqueologia</td>\n",
       "      <td>Fabiana Silva - 76855</td>\n",
       "      <td>Fabiana Silva</td>\n",
       "      <td>76855</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>direito</td>\n",
       "      <td>Francisco - 76433</td>\n",
       "      <td>Francisco</td>\n",
       "      <td>76433</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "        COURSE            NAME_NUMBER           NAME  NUMBER\n",
       "1     biologia         Carlos - 78944         Carlos   78944\n",
       "4    Marketing                    NaN          Joana   78144\n",
       "2  arqueologia  Fabiana Silva - 76855  Fabiana Silva   76855\n",
       "0      direito      Francisco - 76433      Francisco   76433"
      ]
     },
     "execution_count": 105,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "students_df.nlargest(4,\"NUMBER\")"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "e33fa31d",
   "metadata": {},
   "source": [
    "### Para aceder aos 4 menores valores da coluna _NUMBER_"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 106,
   "id": "1ce73075",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "5    74122\n",
       "3    76133\n",
       "0    76433\n",
       "2    76855\n",
       "Name: NUMBER, dtype: int64"
      ]
     },
     "execution_count": 106,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "students_df[\"NUMBER\"].nsmallest(4)"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "fd489136",
   "metadata": {},
   "source": [
    "### Para aceder às linhas com os 4 menores valores da coluna NUMBER"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 107,
   "id": "38449d4b",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>COURSE</th>\n",
       "      <th>NAME_NUMBER</th>\n",
       "      <th>NAME</th>\n",
       "      <th>NUMBER</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>5</th>\n",
       "      <td>Marketing</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Ricardo</td>\n",
       "      <td>74122</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>Marketing</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Vitor</td>\n",
       "      <td>76133</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>direito</td>\n",
       "      <td>Francisco - 76433</td>\n",
       "      <td>Francisco</td>\n",
       "      <td>76433</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>arqueologia</td>\n",
       "      <td>Fabiana Silva - 76855</td>\n",
       "      <td>Fabiana Silva</td>\n",
       "      <td>76855</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "        COURSE            NAME_NUMBER           NAME  NUMBER\n",
       "5    Marketing                    NaN        Ricardo   74122\n",
       "3    Marketing                    NaN          Vitor   76133\n",
       "0      direito      Francisco - 76433      Francisco   76433\n",
       "2  arqueologia  Fabiana Silva - 76855  Fabiana Silva   76855"
      ]
     },
     "execution_count": 107,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "students_df.nsmallest(4,\"NUMBER\")"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "090e5236",
   "metadata": {},
   "source": [
    "## Agrupar e agregar"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "ce0e0e9b",
   "metadata": {},
   "source": [
    "### Para obter a mediana de todas as colunas com valores numéricos"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 108,
   "id": "280ec7fc",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "CompTotal              67000.0\n",
       "ConvertedCompYearly    56211.0\n",
       "dtype: float64"
      ]
     },
     "execution_count": 108,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "answers.median()"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "475f10c6",
   "metadata": {},
   "source": [
    "### Para obter a mediana da coluna _CompTotal_ "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 109,
   "id": "6830d6c5",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "67000.0"
      ]
     },
     "execution_count": 109,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "answers[\"CompTotal\"].median()"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "8ee0a880",
   "metadata": {},
   "source": [
    "### Para obter medidas de tendência e dispersão"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 110,
   "id": "65d87fc0",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>CompTotal</th>\n",
       "      <th>ConvertedCompYearly</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>count</th>\n",
       "      <td>4.718300e+04</td>\n",
       "      <td>4.684400e+04</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>mean</th>\n",
       "      <td>2.119407e+69</td>\n",
       "      <td>1.184262e+05</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>std</th>\n",
       "      <td>4.603702e+71</td>\n",
       "      <td>5.272944e+05</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>min</th>\n",
       "      <td>0.000000e+00</td>\n",
       "      <td>1.000000e+00</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>25%</th>\n",
       "      <td>1.600000e+04</td>\n",
       "      <td>2.702500e+04</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>50%</th>\n",
       "      <td>6.700000e+04</td>\n",
       "      <td>5.621100e+04</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>75%</th>\n",
       "      <td>1.400000e+05</td>\n",
       "      <td>1.000000e+05</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>max</th>\n",
       "      <td>1.000000e+74</td>\n",
       "      <td>4.524131e+07</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "          CompTotal  ConvertedCompYearly\n",
       "count  4.718300e+04         4.684400e+04\n",
       "mean   2.119407e+69         1.184262e+05\n",
       "std    4.603702e+71         5.272944e+05\n",
       "min    0.000000e+00         1.000000e+00\n",
       "25%    1.600000e+04         2.702500e+04\n",
       "50%    6.700000e+04         5.621100e+04\n",
       "75%    1.400000e+05         1.000000e+05\n",
       "max    1.000000e+74         4.524131e+07"
      ]
     },
     "execution_count": 110,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "answers.describe()"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "003743cc",
   "metadata": {},
   "source": [
    "### Para obter o número de valores não nulos da coluna _CompTotal_"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 111,
   "id": "dc768623",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "47183"
      ]
     },
     "execution_count": 111,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "answers[\"CompTotal\"].count()"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "1ba3da5a",
   "metadata": {},
   "source": [
    "### Para obter o número de pessoas que responderam às diferentes opções da questão _SurveyEase_"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 112,
   "id": "eddf92d8",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "Easy                          63087\n",
       "Neither easy nor difficult    18091\n",
       "Difficult                       770\n",
       "Name: SurveyEase, dtype: int64"
      ]
     },
     "execution_count": 112,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "answers[\"SurveyEase\"].value_counts()"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "b4fcf18d",
   "metadata": {},
   "source": [
    "### Para obter a percentagem de pessoas que responderam às diferentes opções da questão SurveyEase"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 113,
   "id": "db0817cb",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "Easy                          0.769842\n",
       "Neither easy nor difficult    0.220762\n",
       "Difficult                     0.009396\n",
       "Name: SurveyEase, dtype: float64"
      ]
     },
     "execution_count": 113,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "answers[\"SurveyEase\"].value_counts(normalize = True)"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "34d23cb3",
   "metadata": {},
   "source": [
    "### Para agrupar os valores pelo país"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 114,
   "id": "781b3cca",
   "metadata": {},
   "outputs": [],
   "source": [
    "country_group = answers.groupby([\"Country\"])"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "1f18ae6d",
   "metadata": {},
   "source": [
    "### Para obter os valores cujo país é Estados Unidos da América"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 115,
   "id": "219e490d",
   "metadata": {},
   "outputs": [
    {
     "data": {
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       "      <th>Country</th>\n",
       "      <th>US_State</th>\n",
       "      <th>UK_Country</th>\n",
       "      <th>EdLevel</th>\n",
       "      <th>Age1stCode</th>\n",
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       "      <th>Currency</th>\n",
       "      <th>CompTotal</th>\n",
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       "      <th>LanguageWantToWorkWith</th>\n",
       "      <th>DatabaseHaveWorkedWith</th>\n",
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       "      <th>PlatformHaveWorkedWith</th>\n",
       "      <th>PlatformWantToWorkWith</th>\n",
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       "      <th>NEWSOSites</th>\n",
       "      <th>SOVisitFreq</th>\n",
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       "      <th>SOPartFreq</th>\n",
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       "      <th>NEWOtherComms</th>\n",
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       "      <th>Trans</th>\n",
       "      <th>Sexuality</th>\n",
       "      <th>Ethnicity</th>\n",
       "      <th>Accessibility</th>\n",
       "      <th>MentalHealth</th>\n",
       "      <th>SurveyLength</th>\n",
       "      <th>SurveyEase</th>\n",
       "      <th>ConvertedCompYearly</th>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>ResponseId</th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
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       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>6</th>\n",
       "      <td>I am a student who is learning to code</td>\n",
       "      <td>Student, part-time</td>\n",
       "      <td>United States of America</td>\n",
       "      <td>Georgia</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Bachelor’s degree (B.A., B.S., B.Eng., etc.)</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>Other online resources (ex: videos, blogs, etc...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>C;C#;C++;HTML/CSS;Java;JavaScript;Node.js;Powe...</td>\n",
       "      <td>C#;C++;Go;HTML/CSS;Java;JavaScript;Node.js;Obj...</td>\n",
       "      <td>MySQL;PostgreSQL;SQLite</td>\n",
       "      <td>Elasticsearch;Firebase;IBM DB2;MariaDB;Microso...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Express;Flask;jQuery;React.js</td>\n",
       "      <td>Express;Flask;jQuery;React.js</td>\n",
       "      <td>Keras;NumPy;Pandas;TensorFlow;Torch/PyTorch</td>\n",
       "      <td>Keras;NumPy;Pandas;Qt;React Native;TensorFlow;...</td>\n",
       "      <td>Git</td>\n",
       "      <td>Docker;Git;Unity 3D;Unreal Engine</td>\n",
       "      <td>IPython/Jupyter;Notepad++;PyCharm;Sublime Text...</td>\n",
       "      <td>Android Studio;IPython/Jupyter;Vim;Visual Stud...</td>\n",
       "      <td>Windows</td>\n",
       "      <td>Visit Stack Overflow;Go for a walk or other ph...</td>\n",
       "      <td>Stack Overflow;Stack Exchange</td>\n",
       "      <td>Multiple times per day</td>\n",
       "      <td>Yes</td>\n",
       "      <td>I have never participated in Q&amp;A on Stack Over...</td>\n",
       "      <td>Yes, somewhat</td>\n",
       "      <td>No</td>\n",
       "      <td>18-24 years old</td>\n",
       "      <td>Prefer not to say</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>Prefer not to say</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>I have a concentration and/or memory disorder ...</td>\n",
       "      <td>Too long</td>\n",
       "      <td>Neither easy nor difficult</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>7</th>\n",
       "      <td>I code primarily as a hobby</td>\n",
       "      <td>I prefer not to say</td>\n",
       "      <td>United States of America</td>\n",
       "      <td>New Hampshire</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Secondary school (e.g. American high school, G...</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>Other online resources (ex: videos, blogs, etc...</td>\n",
       "      <td>3</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>HTML/CSS;JavaScript</td>\n",
       "      <td>HTML/CSS;JavaScript;PHP</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>jQuery</td>\n",
       "      <td>jQuery</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Windows</td>\n",
       "      <td>Call a coworker or friend;Visit Stack Overflow...</td>\n",
       "      <td>Stack Overflow</td>\n",
       "      <td>Daily or almost daily</td>\n",
       "      <td>Yes</td>\n",
       "      <td>A few times per week</td>\n",
       "      <td>Yes, somewhat</td>\n",
       "      <td>No</td>\n",
       "      <td>Prefer not to say</td>\n",
       "      <td>Prefer not to say</td>\n",
       "      <td>No</td>\n",
       "      <td>NaN</td>\n",
       "      <td>I don't know</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Neither easy nor difficult</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>16</th>\n",
       "      <td>I am a student who is learning to code</td>\n",
       "      <td>Student, full-time</td>\n",
       "      <td>United States of America</td>\n",
       "      <td>Missouri</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Secondary school (e.g. American high school, G...</td>\n",
       "      <td>5 - 10 years</td>\n",
       "      <td>Other (please specify):</td>\n",
       "      <td>7</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Bash/Shell;Python</td>\n",
       "      <td>Bash/Shell;Python</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Git</td>\n",
       "      <td>Git</td>\n",
       "      <td>Emacs;Neovim;Vim</td>\n",
       "      <td>Neovim;Vim</td>\n",
       "      <td>Linux-based</td>\n",
       "      <td>Call a coworker or friend;Visit Stack Overflow...</td>\n",
       "      <td>Stack Overflow;Stack Exchange</td>\n",
       "      <td>Multiple times per day</td>\n",
       "      <td>Yes</td>\n",
       "      <td>Less than once per month or monthly</td>\n",
       "      <td>Neutral</td>\n",
       "      <td>No</td>\n",
       "      <td>Under 18 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>I have a concentration and/or memory disorder ...</td>\n",
       "      <td>Too long</td>\n",
       "      <td>Easy</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>37</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>United States of America</td>\n",
       "      <td>District of Columbia</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Bachelor’s degree (B.A., B.S., B.Eng., etc.)</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>Other online resources (ex: videos, blogs, etc...</td>\n",
       "      <td>8</td>\n",
       "      <td>Less than 1 year</td>\n",
       "      <td>Developer, embedded applications or devices</td>\n",
       "      <td>20 to 99 employees</td>\n",
       "      <td>USD\\tUnited States dollar</td>\n",
       "      <td>103000.0</td>\n",
       "      <td>Yearly</td>\n",
       "      <td>Assembly;C;Java;Kotlin;Rust</td>\n",
       "      <td>Assembly;Kotlin;Rust;SQL</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Docker;Git</td>\n",
       "      <td>Git</td>\n",
       "      <td>IntelliJ;PyCharm;Webstorm</td>\n",
       "      <td>Android Studio;IntelliJ;PyCharm;Sublime Text;W...</td>\n",
       "      <td>Linux-based</td>\n",
       "      <td>Visit Stack Overflow;Google it;Do other work a...</td>\n",
       "      <td>Stack Overflow;Stack Exchange</td>\n",
       "      <td>Daily or almost daily</td>\n",
       "      <td>Yes</td>\n",
       "      <td>A few times per week</td>\n",
       "      <td>Yes, somewhat</td>\n",
       "      <td>Yes</td>\n",
       "      <td>18-24 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>Prefer not to say</td>\n",
       "      <td>Too short</td>\n",
       "      <td>Easy</td>\n",
       "      <td>103000.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>38</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>United States of America</td>\n",
       "      <td>Massachusetts</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Some college/university study without earning ...</td>\n",
       "      <td>18 - 24 years</td>\n",
       "      <td>Other online resources (ex: videos, blogs, etc)</td>\n",
       "      <td>20</td>\n",
       "      <td>15</td>\n",
       "      <td>Developer, back-end</td>\n",
       "      <td>1,000 to 4,999 employees</td>\n",
       "      <td>USD\\tUnited States dollar</td>\n",
       "      <td>300000.0</td>\n",
       "      <td>Yearly</td>\n",
       "      <td>Go</td>\n",
       "      <td>Go;Rust</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>AWS;Google Cloud Platform;Microsoft Azure</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Docker;Git;Terraform</td>\n",
       "      <td>Git;Terraform</td>\n",
       "      <td>Vim;Visual Studio Code</td>\n",
       "      <td>Vim;Visual Studio Code</td>\n",
       "      <td>MacOS</td>\n",
       "      <td>Google it;Do other work and come back later;Me...</td>\n",
       "      <td>Stack Overflow;Stack Exchange</td>\n",
       "      <td>Daily or almost daily</td>\n",
       "      <td>Yes</td>\n",
       "      <td>Daily or almost daily</td>\n",
       "      <td>Yes, definitely</td>\n",
       "      <td>No</td>\n",
       "      <td>35-44 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>I have a concentration and/or memory disorder ...</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Easy</td>\n",
       "      <td>300000.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>...</th>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
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       "      <td>...</td>\n",
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       "      <td>...</td>\n",
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       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>83428</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>United States of America</td>\n",
       "      <td>Pennsylvania</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Bachelor’s degree (B.A., B.S., B.Eng., etc.)</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>Other online resources (ex: videos, blogs, etc...</td>\n",
       "      <td>13</td>\n",
       "      <td>2</td>\n",
       "      <td>Developer, front-end;Developer, desktop or ent...</td>\n",
       "      <td>1,000 to 4,999 employees</td>\n",
       "      <td>USD\\tUnited States dollar</td>\n",
       "      <td>86000.0</td>\n",
       "      <td>Weekly</td>\n",
       "      <td>Java;Python</td>\n",
       "      <td>C#;Java;Python</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Angular;Flask</td>\n",
       "      <td>Angular</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Ansible;Git;Terraform;Unity 3D</td>\n",
       "      <td>Ansible;Git;Terraform;Unity 3D</td>\n",
       "      <td>Eclipse;IntelliJ;NetBeans;Sublime Text;Visual ...</td>\n",
       "      <td>IntelliJ;Sublime Text;Visual Studio Code</td>\n",
       "      <td>Windows</td>\n",
       "      <td>Call a coworker or friend;Visit Stack Overflow...</td>\n",
       "      <td>Stack Overflow;Stack Exchange</td>\n",
       "      <td>Multiple times per day</td>\n",
       "      <td>Yes</td>\n",
       "      <td>A few times per month or weekly</td>\n",
       "      <td>Yes, somewhat</td>\n",
       "      <td>No</td>\n",
       "      <td>25-34 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>I have an anxiety disorder;Or, in your own words:</td>\n",
       "      <td>Too short</td>\n",
       "      <td>Easy</td>\n",
       "      <td>4300000.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>83430</th>\n",
       "      <td>I code primarily as a hobby</td>\n",
       "      <td>Not employed, but looking for work</td>\n",
       "      <td>United States of America</td>\n",
       "      <td>Washington</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Bachelor’s degree (B.A., B.S., B.Eng., etc.)</td>\n",
       "      <td>18 - 24 years</td>\n",
       "      <td>Other online resources (ex: videos, blogs, etc)</td>\n",
       "      <td>6</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Other (please specify):;Student</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>HTML/CSS;PHP;PowerShell;Python;SQL;VBA</td>\n",
       "      <td>C#;Go;HTML/CSS;Java;JavaScript;PHP;Python;SQL;VBA</td>\n",
       "      <td>MongoDB;MySQL;PostgreSQL</td>\n",
       "      <td>MariaDB;Microsoft SQL Server;MongoDB;MySQL;Pos...</td>\n",
       "      <td>Heroku</td>\n",
       "      <td>AWS;Heroku;IBM Cloud or Watson;Microsoft Azure...</td>\n",
       "      <td>Django;Flask;jQuery</td>\n",
       "      <td>Angular.js;ASP.NET;ASP.NET Core ;Django;FastAP...</td>\n",
       "      <td>NumPy;Pandas</td>\n",
       "      <td>.NET Framework;.NET Core / .NET 5;NumPy;Pandas</td>\n",
       "      <td>Git</td>\n",
       "      <td>Docker;Git;Xamarin</td>\n",
       "      <td>Atom;Notepad++;Sublime Text;Visual Studio Code</td>\n",
       "      <td>Atom;Notepad++;Sublime Text;Visual Studio Code</td>\n",
       "      <td>Windows</td>\n",
       "      <td>Visit Stack Overflow;Google it;Watch help / tu...</td>\n",
       "      <td>Stack Overflow;Stack Exchange</td>\n",
       "      <td>A few times per month or weekly</td>\n",
       "      <td>Not sure/can't remember</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Yes, somewhat</td>\n",
       "      <td>No</td>\n",
       "      <td>25-34 years old</td>\n",
       "      <td>Man;Or, in your own words:</td>\n",
       "      <td>Yes</td>\n",
       "      <td>Queer</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>I am unable to / find it difficult to walk or ...</td>\n",
       "      <td>I have an anxiety disorder</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Neither easy nor difficult</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>83431</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>United States of America</td>\n",
       "      <td>Illinois</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Master’s degree (M.A., M.S., M.Eng., MBA, etc.)</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>Other online resources (ex: videos, blogs, etc...</td>\n",
       "      <td>23</td>\n",
       "      <td>21</td>\n",
       "      <td>Developer, front-end;Developer, full-stack;Dev...</td>\n",
       "      <td>10 to 19 employees</td>\n",
       "      <td>USD\\tUnited States dollar</td>\n",
       "      <td>125000.0</td>\n",
       "      <td>Yearly</td>\n",
       "      <td>APL;Clojure;LISP;Python;Ruby;SQL;TypeScript</td>\n",
       "      <td>APL;Clojure;Haskell;LISP;R</td>\n",
       "      <td>MongoDB;MySQL;PostgreSQL;Redis</td>\n",
       "      <td>PostgreSQL</td>\n",
       "      <td>AWS;DigitalOcean;Google Cloud Platform;Heroku</td>\n",
       "      <td>AWS;DigitalOcean;Google Cloud Platform</td>\n",
       "      <td>Django;React.js;Ruby on Rails</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Docker;Git</td>\n",
       "      <td>Docker;Git;Kubernetes;Unity 3D</td>\n",
       "      <td>Emacs;Vim</td>\n",
       "      <td>Emacs</td>\n",
       "      <td>Linux-based</td>\n",
       "      <td>Call a coworker or friend;Visit Stack Overflow...</td>\n",
       "      <td>Stack Overflow;Stack Exchange</td>\n",
       "      <td>A few times per week</td>\n",
       "      <td>No</td>\n",
       "      <td>NaN</td>\n",
       "      <td>No, not really</td>\n",
       "      <td>No</td>\n",
       "      <td>45-54 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Easy</td>\n",
       "      <td>125000.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>83435</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>United States of America</td>\n",
       "      <td>Texas</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Bachelor’s degree (B.A., B.S., B.Eng., etc.)</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>Other online resources (ex: videos, blogs, etc...</td>\n",
       "      <td>6</td>\n",
       "      <td>5</td>\n",
       "      <td>Developer, back-end</td>\n",
       "      <td>20 to 99 employees</td>\n",
       "      <td>USD\\tUnited States dollar</td>\n",
       "      <td>160500.0</td>\n",
       "      <td>Yearly</td>\n",
       "      <td>Clojure;Kotlin;SQL</td>\n",
       "      <td>Clojure</td>\n",
       "      <td>Oracle;SQLite</td>\n",
       "      <td>SQLite</td>\n",
       "      <td>AWS</td>\n",
       "      <td>AWS</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Docker;Git</td>\n",
       "      <td>Git;Kubernetes</td>\n",
       "      <td>IntelliJ;Sublime Text;Vim;Visual Studio Code</td>\n",
       "      <td>Sublime Text;Vim</td>\n",
       "      <td>MacOS</td>\n",
       "      <td>Call a coworker or friend;Google it</td>\n",
       "      <td>Stack Overflow;Stack Exchange</td>\n",
       "      <td>A few times per week</td>\n",
       "      <td>No</td>\n",
       "      <td>NaN</td>\n",
       "      <td>No, not at all</td>\n",
       "      <td>No</td>\n",
       "      <td>25-34 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>I have a concentration and/or memory disorder ...</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Easy</td>\n",
       "      <td>160500.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>83437</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>United States of America</td>\n",
       "      <td>New Jersey</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Secondary school (e.g. American high school, G...</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>School</td>\n",
       "      <td>10</td>\n",
       "      <td>4</td>\n",
       "      <td>Data scientist or machine learning specialist;...</td>\n",
       "      <td>10,000 or more employees</td>\n",
       "      <td>USD\\tUnited States dollar</td>\n",
       "      <td>1800.0</td>\n",
       "      <td>Weekly</td>\n",
       "      <td>Groovy;Java;Python</td>\n",
       "      <td>Java;Python</td>\n",
       "      <td>DynamoDB;Elasticsearch;MongoDB;PostgreSQL;Redis</td>\n",
       "      <td>DynamoDB;Redis</td>\n",
       "      <td>AWS;Google Cloud Platform</td>\n",
       "      <td>AWS</td>\n",
       "      <td>FastAPI;Flask</td>\n",
       "      <td>FastAPI;Flask</td>\n",
       "      <td>Hadoop;Keras;NumPy;Pandas</td>\n",
       "      <td>Apache Spark;Hadoop;Keras;NumPy;Pandas;TensorFlow</td>\n",
       "      <td>Ansible;Docker;Git;Terraform</td>\n",
       "      <td>Docker;Git;Kubernetes;Terraform</td>\n",
       "      <td>Android Studio;Eclipse;IntelliJ;IPython/Jupyte...</td>\n",
       "      <td>IntelliJ;IPython/Jupyter;Notepad++;Vim</td>\n",
       "      <td>Windows</td>\n",
       "      <td>Call a coworker or friend;Visit Stack Overflow...</td>\n",
       "      <td>Stack Overflow;Stack Exchange</td>\n",
       "      <td>A few times per week</td>\n",
       "      <td>Yes</td>\n",
       "      <td>I have never participated in Q&amp;A on Stack Over...</td>\n",
       "      <td>No, not really</td>\n",
       "      <td>No</td>\n",
       "      <td>25-34 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>NaN</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Neither easy nor difficult</td>\n",
       "      <td>90000.0</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "<p>15288 rows × 47 columns</p>\n",
       "</div>"
      ],
      "text/plain": [
       "                                        MainBranch  \\\n",
       "ResponseId                                           \n",
       "6           I am a student who is learning to code   \n",
       "7                      I code primarily as a hobby   \n",
       "16          I am a student who is learning to code   \n",
       "37                  I am a developer by profession   \n",
       "38                  I am a developer by profession   \n",
       "...                                            ...   \n",
       "83428               I am a developer by profession   \n",
       "83430                  I code primarily as a hobby   \n",
       "83431               I am a developer by profession   \n",
       "83435               I am a developer by profession   \n",
       "83437               I am a developer by profession   \n",
       "\n",
       "                                    Employment                   Country  \\\n",
       "ResponseId                                                                 \n",
       "6                           Student, part-time  United States of America   \n",
       "7                          I prefer not to say  United States of America   \n",
       "16                          Student, full-time  United States of America   \n",
       "37                          Employed full-time  United States of America   \n",
       "38                          Employed full-time  United States of America   \n",
       "...                                        ...                       ...   \n",
       "83428                       Employed full-time  United States of America   \n",
       "83430       Not employed, but looking for work  United States of America   \n",
       "83431                       Employed full-time  United States of America   \n",
       "83435                       Employed full-time  United States of America   \n",
       "83437                       Employed full-time  United States of America   \n",
       "\n",
       "                        US_State UK_Country  \\\n",
       "ResponseId                                    \n",
       "6                        Georgia        NaN   \n",
       "7                  New Hampshire        NaN   \n",
       "16                      Missouri        NaN   \n",
       "37          District of Columbia        NaN   \n",
       "38                 Massachusetts        NaN   \n",
       "...                          ...        ...   \n",
       "83428               Pennsylvania        NaN   \n",
       "83430                 Washington        NaN   \n",
       "83431                   Illinois        NaN   \n",
       "83435                      Texas        NaN   \n",
       "83437                 New Jersey        NaN   \n",
       "\n",
       "                                                      EdLevel     Age1stCode  \\\n",
       "ResponseId                                                                     \n",
       "6                Bachelor’s degree (B.A., B.S., B.Eng., etc.)  11 - 17 years   \n",
       "7           Secondary school (e.g. American high school, G...  11 - 17 years   \n",
       "16          Secondary school (e.g. American high school, G...   5 - 10 years   \n",
       "37               Bachelor’s degree (B.A., B.S., B.Eng., etc.)  11 - 17 years   \n",
       "38          Some college/university study without earning ...  18 - 24 years   \n",
       "...                                                       ...            ...   \n",
       "83428            Bachelor’s degree (B.A., B.S., B.Eng., etc.)  11 - 17 years   \n",
       "83430            Bachelor’s degree (B.A., B.S., B.Eng., etc.)  18 - 24 years   \n",
       "83431         Master’s degree (M.A., M.S., M.Eng., MBA, etc.)  11 - 17 years   \n",
       "83435            Bachelor’s degree (B.A., B.S., B.Eng., etc.)  11 - 17 years   \n",
       "83437       Secondary school (e.g. American high school, G...  11 - 17 years   \n",
       "\n",
       "                                                    LearnCode YearsCode  \\\n",
       "ResponseId                                                                \n",
       "6           Other online resources (ex: videos, blogs, etc...       NaN   \n",
       "7           Other online resources (ex: videos, blogs, etc...         3   \n",
       "16                                    Other (please specify):         7   \n",
       "37          Other online resources (ex: videos, blogs, etc...         8   \n",
       "38            Other online resources (ex: videos, blogs, etc)        20   \n",
       "...                                                       ...       ...   \n",
       "83428       Other online resources (ex: videos, blogs, etc...        13   \n",
       "83430         Other online resources (ex: videos, blogs, etc)         6   \n",
       "83431       Other online resources (ex: videos, blogs, etc...        23   \n",
       "83435       Other online resources (ex: videos, blogs, etc...         6   \n",
       "83437                                                  School        10   \n",
       "\n",
       "                YearsCodePro  \\\n",
       "ResponseId                     \n",
       "6                        NaN   \n",
       "7                        NaN   \n",
       "16                       NaN   \n",
       "37          Less than 1 year   \n",
       "38                        15   \n",
       "...                      ...   \n",
       "83428                      2   \n",
       "83430                    NaN   \n",
       "83431                     21   \n",
       "83435                      5   \n",
       "83437                      4   \n",
       "\n",
       "                                                      DevType  \\\n",
       "ResponseId                                                      \n",
       "6                                                         NaN   \n",
       "7                                                         NaN   \n",
       "16                                                        NaN   \n",
       "37                Developer, embedded applications or devices   \n",
       "38                                        Developer, back-end   \n",
       "...                                                       ...   \n",
       "83428       Developer, front-end;Developer, desktop or ent...   \n",
       "83430                         Other (please specify):;Student   \n",
       "83431       Developer, front-end;Developer, full-stack;Dev...   \n",
       "83435                                     Developer, back-end   \n",
       "83437       Data scientist or machine learning specialist;...   \n",
       "\n",
       "                             OrgSize                   Currency  CompTotal  \\\n",
       "ResponseId                                                                   \n",
       "6                                NaN                        NaN        NaN   \n",
       "7                                NaN                        NaN        NaN   \n",
       "16                               NaN                        NaN        NaN   \n",
       "37                20 to 99 employees  USD\\tUnited States dollar   103000.0   \n",
       "38          1,000 to 4,999 employees  USD\\tUnited States dollar   300000.0   \n",
       "...                              ...                        ...        ...   \n",
       "83428       1,000 to 4,999 employees  USD\\tUnited States dollar    86000.0   \n",
       "83430                            NaN                        NaN        NaN   \n",
       "83431             10 to 19 employees  USD\\tUnited States dollar   125000.0   \n",
       "83435             20 to 99 employees  USD\\tUnited States dollar   160500.0   \n",
       "83437       10,000 or more employees  USD\\tUnited States dollar     1800.0   \n",
       "\n",
       "           CompFreq                             LanguageHaveWorkedWith  \\\n",
       "ResponseId                                                               \n",
       "6               NaN  C;C#;C++;HTML/CSS;Java;JavaScript;Node.js;Powe...   \n",
       "7               NaN                                HTML/CSS;JavaScript   \n",
       "16              NaN                                  Bash/Shell;Python   \n",
       "37           Yearly                        Assembly;C;Java;Kotlin;Rust   \n",
       "38           Yearly                                                 Go   \n",
       "...             ...                                                ...   \n",
       "83428        Weekly                                        Java;Python   \n",
       "83430           NaN             HTML/CSS;PHP;PowerShell;Python;SQL;VBA   \n",
       "83431        Yearly        APL;Clojure;LISP;Python;Ruby;SQL;TypeScript   \n",
       "83435        Yearly                                 Clojure;Kotlin;SQL   \n",
       "83437        Weekly                                 Groovy;Java;Python   \n",
       "\n",
       "                                       LanguageWantToWorkWith  \\\n",
       "ResponseId                                                      \n",
       "6           C#;C++;Go;HTML/CSS;Java;JavaScript;Node.js;Obj...   \n",
       "7                                     HTML/CSS;JavaScript;PHP   \n",
       "16                                          Bash/Shell;Python   \n",
       "37                                   Assembly;Kotlin;Rust;SQL   \n",
       "38                                                    Go;Rust   \n",
       "...                                                       ...   \n",
       "83428                                          C#;Java;Python   \n",
       "83430       C#;Go;HTML/CSS;Java;JavaScript;PHP;Python;SQL;VBA   \n",
       "83431                              APL;Clojure;Haskell;LISP;R   \n",
       "83435                                                 Clojure   \n",
       "83437                                             Java;Python   \n",
       "\n",
       "                                     DatabaseHaveWorkedWith  \\\n",
       "ResponseId                                                    \n",
       "6                                   MySQL;PostgreSQL;SQLite   \n",
       "7                                                       NaN   \n",
       "16                                                      NaN   \n",
       "37                                                      NaN   \n",
       "38                                                      NaN   \n",
       "...                                                     ...   \n",
       "83428                                                   NaN   \n",
       "83430                              MongoDB;MySQL;PostgreSQL   \n",
       "83431                        MongoDB;MySQL;PostgreSQL;Redis   \n",
       "83435                                         Oracle;SQLite   \n",
       "83437       DynamoDB;Elasticsearch;MongoDB;PostgreSQL;Redis   \n",
       "\n",
       "                                       DatabaseWantToWorkWith  \\\n",
       "ResponseId                                                      \n",
       "6           Elasticsearch;Firebase;IBM DB2;MariaDB;Microso...   \n",
       "7                                                         NaN   \n",
       "16                                                        NaN   \n",
       "37                                                        NaN   \n",
       "38                                                        NaN   \n",
       "...                                                       ...   \n",
       "83428                                                     NaN   \n",
       "83430       MariaDB;Microsoft SQL Server;MongoDB;MySQL;Pos...   \n",
       "83431                                              PostgreSQL   \n",
       "83435                                                  SQLite   \n",
       "83437                                          DynamoDB;Redis   \n",
       "\n",
       "                                   PlatformHaveWorkedWith  \\\n",
       "ResponseId                                                  \n",
       "6                                                     NaN   \n",
       "7                                                     NaN   \n",
       "16                                                    NaN   \n",
       "37                                                    NaN   \n",
       "38              AWS;Google Cloud Platform;Microsoft Azure   \n",
       "...                                                   ...   \n",
       "83428                                                 NaN   \n",
       "83430                                              Heroku   \n",
       "83431       AWS;DigitalOcean;Google Cloud Platform;Heroku   \n",
       "83435                                                 AWS   \n",
       "83437                           AWS;Google Cloud Platform   \n",
       "\n",
       "                                       PlatformWantToWorkWith  \\\n",
       "ResponseId                                                      \n",
       "6                                                         NaN   \n",
       "7                                                         NaN   \n",
       "16                                                        NaN   \n",
       "37                                                        NaN   \n",
       "38                                                        NaN   \n",
       "...                                                       ...   \n",
       "83428                                                     NaN   \n",
       "83430       AWS;Heroku;IBM Cloud or Watson;Microsoft Azure...   \n",
       "83431                  AWS;DigitalOcean;Google Cloud Platform   \n",
       "83435                                                     AWS   \n",
       "83437                                                     AWS   \n",
       "\n",
       "                   WebframeHaveWorkedWith  \\\n",
       "ResponseId                                  \n",
       "6           Express;Flask;jQuery;React.js   \n",
       "7                                  jQuery   \n",
       "16                                    NaN   \n",
       "37                                    NaN   \n",
       "38                                    NaN   \n",
       "...                                   ...   \n",
       "83428                       Angular;Flask   \n",
       "83430                 Django;Flask;jQuery   \n",
       "83431       Django;React.js;Ruby on Rails   \n",
       "83435                                 NaN   \n",
       "83437                       FastAPI;Flask   \n",
       "\n",
       "                                       WebframeWantToWorkWith  \\\n",
       "ResponseId                                                      \n",
       "6                               Express;Flask;jQuery;React.js   \n",
       "7                                                      jQuery   \n",
       "16                                                        NaN   \n",
       "37                                                        NaN   \n",
       "38                                                        NaN   \n",
       "...                                                       ...   \n",
       "83428                                                 Angular   \n",
       "83430       Angular.js;ASP.NET;ASP.NET Core ;Django;FastAP...   \n",
       "83431                                                     NaN   \n",
       "83435                                                     NaN   \n",
       "83437                                           FastAPI;Flask   \n",
       "\n",
       "                                 MiscTechHaveWorkedWith  \\\n",
       "ResponseId                                                \n",
       "6           Keras;NumPy;Pandas;TensorFlow;Torch/PyTorch   \n",
       "7                                                   NaN   \n",
       "16                                                  NaN   \n",
       "37                                                  NaN   \n",
       "38                                                  NaN   \n",
       "...                                                 ...   \n",
       "83428                                               NaN   \n",
       "83430                                      NumPy;Pandas   \n",
       "83431                                               NaN   \n",
       "83435                                               NaN   \n",
       "83437                         Hadoop;Keras;NumPy;Pandas   \n",
       "\n",
       "                                       MiscTechWantToWorkWith  \\\n",
       "ResponseId                                                      \n",
       "6           Keras;NumPy;Pandas;Qt;React Native;TensorFlow;...   \n",
       "7                                                         NaN   \n",
       "16                                                        NaN   \n",
       "37                                                        NaN   \n",
       "38                                                        NaN   \n",
       "...                                                       ...   \n",
       "83428                                                     NaN   \n",
       "83430          .NET Framework;.NET Core / .NET 5;NumPy;Pandas   \n",
       "83431                                                     NaN   \n",
       "83435                                                     NaN   \n",
       "83437       Apache Spark;Hadoop;Keras;NumPy;Pandas;TensorFlow   \n",
       "\n",
       "                   ToolsTechHaveWorkedWith            ToolsTechWantToWorkWith  \\\n",
       "ResponseId                                                                      \n",
       "6                                      Git  Docker;Git;Unity 3D;Unreal Engine   \n",
       "7                                      NaN                                NaN   \n",
       "16                                     Git                                Git   \n",
       "37                              Docker;Git                                Git   \n",
       "38                    Docker;Git;Terraform                      Git;Terraform   \n",
       "...                                    ...                                ...   \n",
       "83428       Ansible;Git;Terraform;Unity 3D     Ansible;Git;Terraform;Unity 3D   \n",
       "83430                                  Git                 Docker;Git;Xamarin   \n",
       "83431                           Docker;Git     Docker;Git;Kubernetes;Unity 3D   \n",
       "83435                           Docker;Git                     Git;Kubernetes   \n",
       "83437         Ansible;Docker;Git;Terraform    Docker;Git;Kubernetes;Terraform   \n",
       "\n",
       "                                 NEWCollabToolsHaveWorkedWith  \\\n",
       "ResponseId                                                      \n",
       "6           IPython/Jupyter;Notepad++;PyCharm;Sublime Text...   \n",
       "7                                                         NaN   \n",
       "16                                           Emacs;Neovim;Vim   \n",
       "37                                  IntelliJ;PyCharm;Webstorm   \n",
       "38                                     Vim;Visual Studio Code   \n",
       "...                                                       ...   \n",
       "83428       Eclipse;IntelliJ;NetBeans;Sublime Text;Visual ...   \n",
       "83430          Atom;Notepad++;Sublime Text;Visual Studio Code   \n",
       "83431                                               Emacs;Vim   \n",
       "83435            IntelliJ;Sublime Text;Vim;Visual Studio Code   \n",
       "83437       Android Studio;Eclipse;IntelliJ;IPython/Jupyte...   \n",
       "\n",
       "                                 NEWCollabToolsWantToWorkWith        OpSys  \\\n",
       "ResponseId                                                                   \n",
       "6           Android Studio;IPython/Jupyter;Vim;Visual Stud...      Windows   \n",
       "7                                                         NaN      Windows   \n",
       "16                                                 Neovim;Vim  Linux-based   \n",
       "37          Android Studio;IntelliJ;PyCharm;Sublime Text;W...  Linux-based   \n",
       "38                                     Vim;Visual Studio Code        MacOS   \n",
       "...                                                       ...          ...   \n",
       "83428                IntelliJ;Sublime Text;Visual Studio Code      Windows   \n",
       "83430          Atom;Notepad++;Sublime Text;Visual Studio Code      Windows   \n",
       "83431                                                   Emacs  Linux-based   \n",
       "83435                                        Sublime Text;Vim        MacOS   \n",
       "83437                  IntelliJ;IPython/Jupyter;Notepad++;Vim      Windows   \n",
       "\n",
       "                                                     NEWStuck  \\\n",
       "ResponseId                                                      \n",
       "6           Visit Stack Overflow;Go for a walk or other ph...   \n",
       "7           Call a coworker or friend;Visit Stack Overflow...   \n",
       "16          Call a coworker or friend;Visit Stack Overflow...   \n",
       "37          Visit Stack Overflow;Google it;Do other work a...   \n",
       "38          Google it;Do other work and come back later;Me...   \n",
       "...                                                       ...   \n",
       "83428       Call a coworker or friend;Visit Stack Overflow...   \n",
       "83430       Visit Stack Overflow;Google it;Watch help / tu...   \n",
       "83431       Call a coworker or friend;Visit Stack Overflow...   \n",
       "83435                     Call a coworker or friend;Google it   \n",
       "83437       Call a coworker or friend;Visit Stack Overflow...   \n",
       "\n",
       "                               NEWSOSites                      SOVisitFreq  \\\n",
       "ResponseId                                                                   \n",
       "6           Stack Overflow;Stack Exchange           Multiple times per day   \n",
       "7                          Stack Overflow            Daily or almost daily   \n",
       "16          Stack Overflow;Stack Exchange           Multiple times per day   \n",
       "37          Stack Overflow;Stack Exchange            Daily or almost daily   \n",
       "38          Stack Overflow;Stack Exchange            Daily or almost daily   \n",
       "...                                   ...                              ...   \n",
       "83428       Stack Overflow;Stack Exchange           Multiple times per day   \n",
       "83430       Stack Overflow;Stack Exchange  A few times per month or weekly   \n",
       "83431       Stack Overflow;Stack Exchange             A few times per week   \n",
       "83435       Stack Overflow;Stack Exchange             A few times per week   \n",
       "83437       Stack Overflow;Stack Exchange             A few times per week   \n",
       "\n",
       "                          SOAccount  \\\n",
       "ResponseId                            \n",
       "6                               Yes   \n",
       "7                               Yes   \n",
       "16                              Yes   \n",
       "37                              Yes   \n",
       "38                              Yes   \n",
       "...                             ...   \n",
       "83428                           Yes   \n",
       "83430       Not sure/can't remember   \n",
       "83431                            No   \n",
       "83435                            No   \n",
       "83437                           Yes   \n",
       "\n",
       "                                                   SOPartFreq  \\\n",
       "ResponseId                                                      \n",
       "6           I have never participated in Q&A on Stack Over...   \n",
       "7                                        A few times per week   \n",
       "16                        Less than once per month or monthly   \n",
       "37                                       A few times per week   \n",
       "38                                      Daily or almost daily   \n",
       "...                                                       ...   \n",
       "83428                         A few times per month or weekly   \n",
       "83430                                                     NaN   \n",
       "83431                                                     NaN   \n",
       "83435                                                     NaN   \n",
       "83437       I have never participated in Q&A on Stack Over...   \n",
       "\n",
       "                     SOComm NEWOtherComms                 Age  \\\n",
       "ResponseId                                                      \n",
       "6             Yes, somewhat            No     18-24 years old   \n",
       "7             Yes, somewhat            No   Prefer not to say   \n",
       "16                  Neutral            No  Under 18 years old   \n",
       "37            Yes, somewhat           Yes     18-24 years old   \n",
       "38          Yes, definitely            No     35-44 years old   \n",
       "...                     ...           ...                 ...   \n",
       "83428         Yes, somewhat            No     25-34 years old   \n",
       "83430         Yes, somewhat            No     25-34 years old   \n",
       "83431        No, not really            No     45-54 years old   \n",
       "83435        No, not at all            No     25-34 years old   \n",
       "83437        No, not really            No     25-34 years old   \n",
       "\n",
       "                                Gender Trans                Sexuality  \\\n",
       "ResponseId                                                              \n",
       "6                    Prefer not to say    No  Straight / Heterosexual   \n",
       "7                    Prefer not to say    No                      NaN   \n",
       "16                                 Man    No  Straight / Heterosexual   \n",
       "37                                 Man    No  Straight / Heterosexual   \n",
       "38                                 Man    No  Straight / Heterosexual   \n",
       "...                                ...   ...                      ...   \n",
       "83428                              Man    No  Straight / Heterosexual   \n",
       "83430       Man;Or, in your own words:   Yes                    Queer   \n",
       "83431                              Man    No  Straight / Heterosexual   \n",
       "83435                              Man    No  Straight / Heterosexual   \n",
       "83437                              Man    No                      NaN   \n",
       "\n",
       "                               Ethnicity  \\\n",
       "ResponseId                                 \n",
       "6                      Prefer not to say   \n",
       "7                           I don't know   \n",
       "16          White or of European descent   \n",
       "37          White or of European descent   \n",
       "38          White or of European descent   \n",
       "...                                  ...   \n",
       "83428       White or of European descent   \n",
       "83430       White or of European descent   \n",
       "83431       White or of European descent   \n",
       "83435       White or of European descent   \n",
       "83437       White or of European descent   \n",
       "\n",
       "                                                Accessibility  \\\n",
       "ResponseId                                                      \n",
       "6                                           None of the above   \n",
       "7                                           None of the above   \n",
       "16                                          None of the above   \n",
       "37                                          None of the above   \n",
       "38                                          None of the above   \n",
       "...                                                       ...   \n",
       "83428                                       None of the above   \n",
       "83430       I am unable to / find it difficult to walk or ...   \n",
       "83431                                       None of the above   \n",
       "83435                                       None of the above   \n",
       "83437                                       None of the above   \n",
       "\n",
       "                                                 MentalHealth  \\\n",
       "ResponseId                                                      \n",
       "6           I have a concentration and/or memory disorder ...   \n",
       "7                                           None of the above   \n",
       "16          I have a concentration and/or memory disorder ...   \n",
       "37                                          Prefer not to say   \n",
       "38          I have a concentration and/or memory disorder ...   \n",
       "...                                                       ...   \n",
       "83428       I have an anxiety disorder;Or, in your own words:   \n",
       "83430                              I have an anxiety disorder   \n",
       "83431                                       None of the above   \n",
       "83435       I have a concentration and/or memory disorder ...   \n",
       "83437                                       None of the above   \n",
       "\n",
       "                     SurveyLength                  SurveyEase  \\\n",
       "ResponseId                                                      \n",
       "6                        Too long  Neither easy nor difficult   \n",
       "7           Appropriate in length  Neither easy nor difficult   \n",
       "16                       Too long                        Easy   \n",
       "37                      Too short                        Easy   \n",
       "38          Appropriate in length                        Easy   \n",
       "...                           ...                         ...   \n",
       "83428                   Too short                        Easy   \n",
       "83430       Appropriate in length  Neither easy nor difficult   \n",
       "83431       Appropriate in length                        Easy   \n",
       "83435       Appropriate in length                        Easy   \n",
       "83437       Appropriate in length  Neither easy nor difficult   \n",
       "\n",
       "            ConvertedCompYearly  \n",
       "ResponseId                       \n",
       "6                           NaN  \n",
       "7                           NaN  \n",
       "16                          NaN  \n",
       "37                     103000.0  \n",
       "38                     300000.0  \n",
       "...                         ...  \n",
       "83428                 4300000.0  \n",
       "83430                       NaN  \n",
       "83431                  125000.0  \n",
       "83435                  160500.0  \n",
       "83437                   90000.0  \n",
       "\n",
       "[15288 rows x 47 columns]"
      ]
     },
     "execution_count": 115,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "country_group.get_group(\"United States of America\")"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "dc3590f1",
   "metadata": {},
   "source": [
    "### Para obter o número de pessoas que responderam às diferentes opções da questão Age1stCode para cada país"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 116,
   "id": "b5ecd546",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "Country      Age1stCode          \n",
       "Afghanistan  18 - 24 years           19\n",
       "             Younger than 5 years    13\n",
       "             11 - 17 years           12\n",
       "             5 - 10 years             7\n",
       "             25 - 34 years            4\n",
       "                                     ..\n",
       "Zimbabwe     11 - 17 years            9\n",
       "             25 - 34 years            5\n",
       "             5 - 10 years             2\n",
       "             35 - 44 years            1\n",
       "             Older than 64 years      1\n",
       "Name: Age1stCode, Length: 992, dtype: int64"
      ]
     },
     "execution_count": 116,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "country_group[\"Age1stCode\"].value_counts()"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "17be2cc6",
   "metadata": {},
   "source": [
    "### Para obter o número de pessoas que moram na Índia que responderam às diferentes opções da questão Age1stCode"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 117,
   "id": "fe593ff7",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "Age1stCode\n",
       "11 - 17 years           4797\n",
       "18 - 24 years           4279\n",
       "5 - 10 years             695\n",
       "25 - 34 years            490\n",
       "Younger than 5 years     103\n",
       "35 - 44 years             85\n",
       "45 - 54 years             20\n",
       "Older than 64 years        5\n",
       "55 - 64 years              3\n",
       "Name: Age1stCode, dtype: int64"
      ]
     },
     "execution_count": 117,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "country_group[\"Age1stCode\"].value_counts().loc[\"India\"]"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "c7150194",
   "metadata": {},
   "source": [
    "### Para obter a mediana da compensação total para cada país"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 118,
   "id": "534ba747",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "Country\n",
       "Afghanistan                                63000.0\n",
       "Albania                                   100000.0\n",
       "Algeria                                    60000.0\n",
       "Andorra                                    87000.0\n",
       "Angola                                    130000.0\n",
       "                                           ...    \n",
       "Venezuela, Bolivarian Republic of...        1000.0\n",
       "Viet Nam                                18000000.0\n",
       "Yemen                                        300.0\n",
       "Zambia                                     12000.0\n",
       "Zimbabwe                                     600.0\n",
       "Name: CompTotal, Length: 181, dtype: float64"
      ]
     },
     "execution_count": 118,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "country_group[\"CompTotal\"].median()"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "5579a01d",
   "metadata": {},
   "source": [
    "### Para obter a mediana e a média da compensação total para cada país"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 119,
   "id": "56f58892",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>median</th>\n",
       "      <th>mean</th>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Country</th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>Afghanistan</th>\n",
       "      <td>63000.0</td>\n",
       "      <td>5.845616e+05</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Albania</th>\n",
       "      <td>100000.0</td>\n",
       "      <td>2.504897e+06</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Algeria</th>\n",
       "      <td>60000.0</td>\n",
       "      <td>1.791122e+05</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Andorra</th>\n",
       "      <td>87000.0</td>\n",
       "      <td>9.892500e+04</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Angola</th>\n",
       "      <td>130000.0</td>\n",
       "      <td>3.387364e+05</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>...</th>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Venezuela, Bolivarian Republic of...</th>\n",
       "      <td>1000.0</td>\n",
       "      <td>5.110863e+07</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Viet Nam</th>\n",
       "      <td>18000000.0</td>\n",
       "      <td>5.330125e+07</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Yemen</th>\n",
       "      <td>300.0</td>\n",
       "      <td>8.436429e+04</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Zambia</th>\n",
       "      <td>12000.0</td>\n",
       "      <td>3.455264e+04</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Zimbabwe</th>\n",
       "      <td>600.0</td>\n",
       "      <td>1.135846e+03</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "<p>181 rows × 2 columns</p>\n",
       "</div>"
      ],
      "text/plain": [
       "                                          median          mean\n",
       "Country                                                       \n",
       "Afghanistan                              63000.0  5.845616e+05\n",
       "Albania                                 100000.0  2.504897e+06\n",
       "Algeria                                  60000.0  1.791122e+05\n",
       "Andorra                                  87000.0  9.892500e+04\n",
       "Angola                                  130000.0  3.387364e+05\n",
       "...                                          ...           ...\n",
       "Venezuela, Bolivarian Republic of...      1000.0  5.110863e+07\n",
       "Viet Nam                              18000000.0  5.330125e+07\n",
       "Yemen                                      300.0  8.436429e+04\n",
       "Zambia                                   12000.0  3.455264e+04\n",
       "Zimbabwe                                   600.0  1.135846e+03\n",
       "\n",
       "[181 rows x 2 columns]"
      ]
     },
     "execution_count": 119,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "country_group[\"CompTotal\"].agg([\"median\", \"mean\"])"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "b32c2fb5",
   "metadata": {},
   "source": [
    "### Para obter a percentagem de pessoas que já trabalharam com Python para cada país"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 120,
   "id": "bd57730e",
   "metadata": {},
   "outputs": [],
   "source": [
    "num_work_python = country_group[\"LanguageHaveWorkedWith\"].apply(lambda x: x.str.contains(\"Python\").sum())"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 121,
   "id": "0b006c46",
   "metadata": {},
   "outputs": [],
   "source": [
    "num_people_country = answers[\"Country\"].value_counts()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 122,
   "id": "bef263f9",
   "metadata": {},
   "outputs": [],
   "source": [
    "python_df = pd.concat([num_work_python, num_people_country], axis=\"columns\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 123,
   "id": "35e1f669",
   "metadata": {},
   "outputs": [],
   "source": [
    "python_df[\"pct_work_python\"] = (python_df[\"LanguageHaveWorkedWith\"]/python_df[\"Country\"])*100"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 124,
   "id": "161b5635",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>LanguageHaveWorkedWith</th>\n",
       "      <th>Country</th>\n",
       "      <th>pct_work_python</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>Afghanistan</th>\n",
       "      <td>20</td>\n",
       "      <td>65</td>\n",
       "      <td>30.769231</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Albania</th>\n",
       "      <td>30</td>\n",
       "      <td>73</td>\n",
       "      <td>41.095890</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Algeria</th>\n",
       "      <td>19</td>\n",
       "      <td>46</td>\n",
       "      <td>41.304348</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Andorra</th>\n",
       "      <td>4</td>\n",
       "      <td>12</td>\n",
       "      <td>33.333333</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Angola</th>\n",
       "      <td>5</td>\n",
       "      <td>27</td>\n",
       "      <td>18.518519</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>...</th>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Venezuela, Bolivarian Republic of...</th>\n",
       "      <td>43</td>\n",
       "      <td>104</td>\n",
       "      <td>41.346154</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Viet Nam</th>\n",
       "      <td>173</td>\n",
       "      <td>386</td>\n",
       "      <td>44.818653</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Yemen</th>\n",
       "      <td>6</td>\n",
       "      <td>20</td>\n",
       "      <td>30.000000</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Zambia</th>\n",
       "      <td>12</td>\n",
       "      <td>22</td>\n",
       "      <td>54.545455</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Zimbabwe</th>\n",
       "      <td>17</td>\n",
       "      <td>36</td>\n",
       "      <td>47.222222</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "<p>181 rows × 3 columns</p>\n",
       "</div>"
      ],
      "text/plain": [
       "                                      LanguageHaveWorkedWith  Country  \\\n",
       "Afghanistan                                               20       65   \n",
       "Albania                                                   30       73   \n",
       "Algeria                                                   19       46   \n",
       "Andorra                                                    4       12   \n",
       "Angola                                                     5       27   \n",
       "...                                                      ...      ...   \n",
       "Venezuela, Bolivarian Republic of...                      43      104   \n",
       "Viet Nam                                                 173      386   \n",
       "Yemen                                                      6       20   \n",
       "Zambia                                                    12       22   \n",
       "Zimbabwe                                                  17       36   \n",
       "\n",
       "                                      pct_work_python  \n",
       "Afghanistan                                 30.769231  \n",
       "Albania                                     41.095890  \n",
       "Algeria                                     41.304348  \n",
       "Andorra                                     33.333333  \n",
       "Angola                                      18.518519  \n",
       "...                                               ...  \n",
       "Venezuela, Bolivarian Republic of...        41.346154  \n",
       "Viet Nam                                    44.818653  \n",
       "Yemen                                       30.000000  \n",
       "Zambia                                      54.545455  \n",
       "Zimbabwe                                    47.222222  \n",
       "\n",
       "[181 rows x 3 columns]"
      ]
     },
     "execution_count": 124,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "python_df"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "ef5f4a8c",
   "metadata": {},
   "source": [
    "## Limpar dados"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "e290fdd3",
   "metadata": {},
   "source": [
    "### Para criar um novo DataFrame com dados em falta"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 125,
   "id": "8922976e",
   "metadata": {},
   "outputs": [],
   "source": [
    "people = {\n",
    "    \"first\": [\"Ana\", \"Bruno\", \"Hugo\", \"Pedro\", np.nan, None, \"NA\"],\n",
    "    \"last\": [\"Fernandes\", \"Ramalho\", \"Pimentel\", \"Santos\", np.nan, np.nan, \"Missing\"],\n",
    "    \"email\": [\"AnaFernandes@gmail.com\", \"BrunoRamalho@gmail.com\", \"HugoPimentel@gmail.com\", None, np.nan, \"Anonimo@gmail.com\", \"NA\"],\n",
    "    \"age\": [34, 67, 45, 45, None, None, \"Missing\"]\n",
    "}"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 126,
   "id": "c686c73b",
   "metadata": {},
   "outputs": [],
   "source": [
    "people_df = pd.DataFrame(people)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 127,
   "id": "ff7569f6",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>first</th>\n",
       "      <th>last</th>\n",
       "      <th>email</th>\n",
       "      <th>age</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>Ana</td>\n",
       "      <td>Fernandes</td>\n",
       "      <td>AnaFernandes@gmail.com</td>\n",
       "      <td>34</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>Bruno</td>\n",
       "      <td>Ramalho</td>\n",
       "      <td>BrunoRamalho@gmail.com</td>\n",
       "      <td>67</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>Hugo</td>\n",
       "      <td>Pimentel</td>\n",
       "      <td>HugoPimentel@gmail.com</td>\n",
       "      <td>45</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>Pedro</td>\n",
       "      <td>Santos</td>\n",
       "      <td>None</td>\n",
       "      <td>45</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>None</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>5</th>\n",
       "      <td>None</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Anonimo@gmail.com</td>\n",
       "      <td>None</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>6</th>\n",
       "      <td>NA</td>\n",
       "      <td>Missing</td>\n",
       "      <td>NA</td>\n",
       "      <td>Missing</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "   first       last                   email      age\n",
       "0    Ana  Fernandes  AnaFernandes@gmail.com       34\n",
       "1  Bruno    Ramalho  BrunoRamalho@gmail.com       67\n",
       "2   Hugo   Pimentel  HugoPimentel@gmail.com       45\n",
       "3  Pedro     Santos                    None       45\n",
       "4    NaN        NaN                     NaN     None\n",
       "5   None        NaN       Anonimo@gmail.com     None\n",
       "6     NA    Missing                      NA  Missing"
      ]
     },
     "execution_count": 127,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "people_df"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "a11c2fa8",
   "metadata": {},
   "source": [
    "### Para eliminar as linhas que tenham um ou mais campos com _NaN_ ou _None_"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 128,
   "id": "be41f094",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>first</th>\n",
       "      <th>last</th>\n",
       "      <th>email</th>\n",
       "      <th>age</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>Ana</td>\n",
       "      <td>Fernandes</td>\n",
       "      <td>AnaFernandes@gmail.com</td>\n",
       "      <td>34</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>Bruno</td>\n",
       "      <td>Ramalho</td>\n",
       "      <td>BrunoRamalho@gmail.com</td>\n",
       "      <td>67</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>Hugo</td>\n",
       "      <td>Pimentel</td>\n",
       "      <td>HugoPimentel@gmail.com</td>\n",
       "      <td>45</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>6</th>\n",
       "      <td>NA</td>\n",
       "      <td>Missing</td>\n",
       "      <td>NA</td>\n",
       "      <td>Missing</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "   first       last                   email      age\n",
       "0    Ana  Fernandes  AnaFernandes@gmail.com       34\n",
       "1  Bruno    Ramalho  BrunoRamalho@gmail.com       67\n",
       "2   Hugo   Pimentel  HugoPimentel@gmail.com       45\n",
       "6     NA    Missing                      NA  Missing"
      ]
     },
     "execution_count": 128,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "people_df.dropna()"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "d0e4429c",
   "metadata": {},
   "source": [
    "### Para eliminar as linhas que tenham todos os campos com _NaN_ ou _None_"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 129,
   "id": "b1b268d2",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>first</th>\n",
       "      <th>last</th>\n",
       "      <th>email</th>\n",
       "      <th>age</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>Ana</td>\n",
       "      <td>Fernandes</td>\n",
       "      <td>AnaFernandes@gmail.com</td>\n",
       "      <td>34</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>Bruno</td>\n",
       "      <td>Ramalho</td>\n",
       "      <td>BrunoRamalho@gmail.com</td>\n",
       "      <td>67</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>Hugo</td>\n",
       "      <td>Pimentel</td>\n",
       "      <td>HugoPimentel@gmail.com</td>\n",
       "      <td>45</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>Pedro</td>\n",
       "      <td>Santos</td>\n",
       "      <td>None</td>\n",
       "      <td>45</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>5</th>\n",
       "      <td>None</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Anonimo@gmail.com</td>\n",
       "      <td>None</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>6</th>\n",
       "      <td>NA</td>\n",
       "      <td>Missing</td>\n",
       "      <td>NA</td>\n",
       "      <td>Missing</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "   first       last                   email      age\n",
       "0    Ana  Fernandes  AnaFernandes@gmail.com       34\n",
       "1  Bruno    Ramalho  BrunoRamalho@gmail.com       67\n",
       "2   Hugo   Pimentel  HugoPimentel@gmail.com       45\n",
       "3  Pedro     Santos                    None       45\n",
       "5   None        NaN       Anonimo@gmail.com     None\n",
       "6     NA    Missing                      NA  Missing"
      ]
     },
     "execution_count": 129,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "people_df.dropna(how = \"all\")"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "a1d8a3df",
   "metadata": {},
   "source": [
    "### Para eliminar as colunas que tenham _NaN_ ou _None_"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 130,
   "id": "1c7a898b",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>4</th>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>5</th>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>6</th>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "Empty DataFrame\n",
       "Columns: []\n",
       "Index: [0, 1, 2, 3, 4, 5, 6]"
      ]
     },
     "execution_count": 130,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "people_df.dropna(axis = \"columns\")"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "9b26c139",
   "metadata": {},
   "source": [
    "### Para eliminar as linhas cujo email seja _NaN_ ou _None_"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 131,
   "id": "a902dfe1",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>first</th>\n",
       "      <th>last</th>\n",
       "      <th>email</th>\n",
       "      <th>age</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>Ana</td>\n",
       "      <td>Fernandes</td>\n",
       "      <td>AnaFernandes@gmail.com</td>\n",
       "      <td>34</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>Bruno</td>\n",
       "      <td>Ramalho</td>\n",
       "      <td>BrunoRamalho@gmail.com</td>\n",
       "      <td>67</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>Hugo</td>\n",
       "      <td>Pimentel</td>\n",
       "      <td>HugoPimentel@gmail.com</td>\n",
       "      <td>45</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>5</th>\n",
       "      <td>None</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Anonimo@gmail.com</td>\n",
       "      <td>None</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>6</th>\n",
       "      <td>NA</td>\n",
       "      <td>Missing</td>\n",
       "      <td>NA</td>\n",
       "      <td>Missing</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "   first       last                   email      age\n",
       "0    Ana  Fernandes  AnaFernandes@gmail.com       34\n",
       "1  Bruno    Ramalho  BrunoRamalho@gmail.com       67\n",
       "2   Hugo   Pimentel  HugoPimentel@gmail.com       45\n",
       "5   None        NaN       Anonimo@gmail.com     None\n",
       "6     NA    Missing                      NA  Missing"
      ]
     },
     "execution_count": 131,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "people_df.dropna(subset=[\"email\"])"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "1ed9c8cd",
   "metadata": {},
   "source": [
    "### Para eliminar as linhas cujo último nome ou email sejam _NaN_ ou _None_"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 132,
   "id": "08796ea3",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>first</th>\n",
       "      <th>last</th>\n",
       "      <th>email</th>\n",
       "      <th>age</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>Ana</td>\n",
       "      <td>Fernandes</td>\n",
       "      <td>AnaFernandes@gmail.com</td>\n",
       "      <td>34</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>Bruno</td>\n",
       "      <td>Ramalho</td>\n",
       "      <td>BrunoRamalho@gmail.com</td>\n",
       "      <td>67</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>Hugo</td>\n",
       "      <td>Pimentel</td>\n",
       "      <td>HugoPimentel@gmail.com</td>\n",
       "      <td>45</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>6</th>\n",
       "      <td>NA</td>\n",
       "      <td>Missing</td>\n",
       "      <td>NA</td>\n",
       "      <td>Missing</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "   first       last                   email      age\n",
       "0    Ana  Fernandes  AnaFernandes@gmail.com       34\n",
       "1  Bruno    Ramalho  BrunoRamalho@gmail.com       67\n",
       "2   Hugo   Pimentel  HugoPimentel@gmail.com       45\n",
       "6     NA    Missing                      NA  Missing"
      ]
     },
     "execution_count": 132,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "people_df.dropna(subset=[\"last\", \"email\"])"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "2296427b",
   "metadata": {},
   "source": [
    "### Para substituir _NA_ por _NaN_"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 133,
   "id": "070b92df",
   "metadata": {},
   "outputs": [],
   "source": [
    "people_df.replace(\"NA\", np.nan, inplace=True)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 134,
   "id": "11a8dac3",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
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       "\n",
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       "\n",
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       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>first</th>\n",
       "      <th>last</th>\n",
       "      <th>email</th>\n",
       "      <th>age</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>Ana</td>\n",
       "      <td>Fernandes</td>\n",
       "      <td>AnaFernandes@gmail.com</td>\n",
       "      <td>34</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>Bruno</td>\n",
       "      <td>Ramalho</td>\n",
       "      <td>BrunoRamalho@gmail.com</td>\n",
       "      <td>67</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>Hugo</td>\n",
       "      <td>Pimentel</td>\n",
       "      <td>HugoPimentel@gmail.com</td>\n",
       "      <td>45</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>Pedro</td>\n",
       "      <td>Santos</td>\n",
       "      <td>None</td>\n",
       "      <td>45</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>None</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>5</th>\n",
       "      <td>None</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Anonimo@gmail.com</td>\n",
       "      <td>None</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>6</th>\n",
       "      <td>NaN</td>\n",
       "      <td>Missing</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Missing</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "   first       last                   email      age\n",
       "0    Ana  Fernandes  AnaFernandes@gmail.com       34\n",
       "1  Bruno    Ramalho  BrunoRamalho@gmail.com       67\n",
       "2   Hugo   Pimentel  HugoPimentel@gmail.com       45\n",
       "3  Pedro     Santos                    None       45\n",
       "4    NaN        NaN                     NaN     None\n",
       "5   None        NaN       Anonimo@gmail.com     None\n",
       "6    NaN    Missing                     NaN  Missing"
      ]
     },
     "execution_count": 134,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "people_df"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "b997b69d",
   "metadata": {},
   "source": [
    "### Para substituir _Missing_ por _NaN_"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 135,
   "id": "2555ef88",
   "metadata": {},
   "outputs": [],
   "source": [
    "people_df.replace(\"Missing\", np.nan, inplace=True)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 136,
   "id": "4a703dcc",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
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       "      <th></th>\n",
       "      <th>first</th>\n",
       "      <th>last</th>\n",
       "      <th>email</th>\n",
       "      <th>age</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>Ana</td>\n",
       "      <td>Fernandes</td>\n",
       "      <td>AnaFernandes@gmail.com</td>\n",
       "      <td>34.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>Bruno</td>\n",
       "      <td>Ramalho</td>\n",
       "      <td>BrunoRamalho@gmail.com</td>\n",
       "      <td>67.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>Hugo</td>\n",
       "      <td>Pimentel</td>\n",
       "      <td>HugoPimentel@gmail.com</td>\n",
       "      <td>45.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>Pedro</td>\n",
       "      <td>Santos</td>\n",
       "      <td>None</td>\n",
       "      <td>45.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>5</th>\n",
       "      <td>None</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Anonimo@gmail.com</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>6</th>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "   first       last                   email   age\n",
       "0    Ana  Fernandes  AnaFernandes@gmail.com  34.0\n",
       "1  Bruno    Ramalho  BrunoRamalho@gmail.com  67.0\n",
       "2   Hugo   Pimentel  HugoPimentel@gmail.com  45.0\n",
       "3  Pedro     Santos                    None  45.0\n",
       "4    NaN        NaN                     NaN   NaN\n",
       "5   None        NaN       Anonimo@gmail.com   NaN\n",
       "6    NaN        NaN                     NaN   NaN"
      ]
     },
     "execution_count": 136,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "people_df"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "c73008cf",
   "metadata": {},
   "source": [
    "### Para visualizar quais são os campos com valores em falta"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 137,
   "id": "b699704b",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
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       "\n",
       "    .dataframe tbody tr th {\n",
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       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>first</th>\n",
       "      <th>last</th>\n",
       "      <th>email</th>\n",
       "      <th>age</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>False</td>\n",
       "      <td>False</td>\n",
       "      <td>True</td>\n",
       "      <td>False</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>True</td>\n",
       "      <td>True</td>\n",
       "      <td>True</td>\n",
       "      <td>True</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>5</th>\n",
       "      <td>True</td>\n",
       "      <td>True</td>\n",
       "      <td>False</td>\n",
       "      <td>True</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>6</th>\n",
       "      <td>True</td>\n",
       "      <td>True</td>\n",
       "      <td>True</td>\n",
       "      <td>True</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "   first   last  email    age\n",
       "0  False  False  False  False\n",
       "1  False  False  False  False\n",
       "2  False  False  False  False\n",
       "3  False  False   True  False\n",
       "4   True   True   True   True\n",
       "5   True   True  False   True\n",
       "6   True   True   True   True"
      ]
     },
     "execution_count": 137,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "people_df.isna()"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "2c2fd449",
   "metadata": {},
   "source": [
    "### Para preencher todos os valores em falta com _MISSING_"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 138,
   "id": "31e5cddb",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
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       "\n",
       "    .dataframe thead th {\n",
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       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>first</th>\n",
       "      <th>last</th>\n",
       "      <th>email</th>\n",
       "      <th>age</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>Ana</td>\n",
       "      <td>Fernandes</td>\n",
       "      <td>AnaFernandes@gmail.com</td>\n",
       "      <td>34.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>Bruno</td>\n",
       "      <td>Ramalho</td>\n",
       "      <td>BrunoRamalho@gmail.com</td>\n",
       "      <td>67.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>Hugo</td>\n",
       "      <td>Pimentel</td>\n",
       "      <td>HugoPimentel@gmail.com</td>\n",
       "      <td>45.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>Pedro</td>\n",
       "      <td>Santos</td>\n",
       "      <td>MISSING</td>\n",
       "      <td>45.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>MISSING</td>\n",
       "      <td>MISSING</td>\n",
       "      <td>MISSING</td>\n",
       "      <td>MISSING</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>5</th>\n",
       "      <td>MISSING</td>\n",
       "      <td>MISSING</td>\n",
       "      <td>Anonimo@gmail.com</td>\n",
       "      <td>MISSING</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>6</th>\n",
       "      <td>MISSING</td>\n",
       "      <td>MISSING</td>\n",
       "      <td>MISSING</td>\n",
       "      <td>MISSING</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "     first       last                   email      age\n",
       "0      Ana  Fernandes  AnaFernandes@gmail.com     34.0\n",
       "1    Bruno    Ramalho  BrunoRamalho@gmail.com     67.0\n",
       "2     Hugo   Pimentel  HugoPimentel@gmail.com     45.0\n",
       "3    Pedro     Santos                 MISSING     45.0\n",
       "4  MISSING    MISSING                 MISSING  MISSING\n",
       "5  MISSING    MISSING       Anonimo@gmail.com  MISSING\n",
       "6  MISSING    MISSING                 MISSING  MISSING"
      ]
     },
     "execution_count": 138,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "people_df.fillna(\"MISSING\")"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "1fe299ca",
   "metadata": {},
   "source": [
    "### Para calcular a média de idades sem os valores em falta"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 139,
   "id": "74655025",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "47.75"
      ]
     },
     "execution_count": 139,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "people_df[\"age\"].mean()"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "d68dfc8a",
   "metadata": {},
   "source": [
    "### Para visualizar os valores únicos da coluna idade"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 140,
   "id": "9726bc15",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array([34., 67., 45., nan])"
      ]
     },
     "execution_count": 140,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "people_df[\"age\"].unique()"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "c35001d7",
   "metadata": {},
   "source": [
    "### Para reconhecer _NA_ e _Missing_ como valores em falta aquando da leitura do CSV com as respostas"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 141,
   "id": "dfc37ecc",
   "metadata": {},
   "outputs": [],
   "source": [
    "na_vals = [\"NA\", \"Missing\"]\n",
    "\n",
    "answers = pd.read_csv(\"stack-overflow-developer-survey-2021/survey_results_public.csv\", index_col = \"ResponseId\", na_values = na_vals)"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "3933c30e",
   "metadata": {},
   "source": [
    "## Ler/escrever dados"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "c4b6492a",
   "metadata": {},
   "source": [
    "### Para obter um DataFrame com as respostas cujo país é Portugal "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 142,
   "id": "bf4749c3",
   "metadata": {},
   "outputs": [],
   "source": [
    "portugal_df = answers[answers[\"Country\"] == \"Portugal\"]"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "f4f92598",
   "metadata": {},
   "source": [
    "### Para escrever o DataFrame num CSV"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 143,
   "id": "706231f9",
   "metadata": {},
   "outputs": [],
   "source": [
    "portugal_df.to_csv(\"stack-overflow-developer-survey-2021/survey_results_portugal.csv\")"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "973d46fc",
   "metadata": {},
   "source": [
    "### Para escrever o DataFrame num TSV"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 144,
   "id": "b6ae2d96",
   "metadata": {},
   "outputs": [],
   "source": [
    "portugal_df.to_csv(\"stack-overflow-developer-survey-2021/survey_results_portugal.tsv\", sep = \"\\t\")"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "c4c9f26c",
   "metadata": {},
   "source": [
    "### Para escrever o DataFrame num Excel"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 145,
   "id": "3b1d7dcc",
   "metadata": {},
   "outputs": [],
   "source": [
    "portugal_df.to_excel(\"stack-overflow-developer-survey-2021/survey_results_portugal.xlsx\")"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "9d5a2792",
   "metadata": {},
   "source": [
    "### Para ler o Excel"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 146,
   "id": "89491ea2",
   "metadata": {},
   "outputs": [],
   "source": [
    "result = pd.read_excel(\"stack-overflow-developer-survey-2021/survey_results_portugal.xlsx\", index_col = \"ResponseId\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 147,
   "id": "010448b5",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
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       "      <th>Country</th>\n",
       "      <th>US_State</th>\n",
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       "      <th>LearnCode</th>\n",
       "      <th>YearsCode</th>\n",
       "      <th>YearsCodePro</th>\n",
       "      <th>DevType</th>\n",
       "      <th>OrgSize</th>\n",
       "      <th>Currency</th>\n",
       "      <th>CompTotal</th>\n",
       "      <th>CompFreq</th>\n",
       "      <th>LanguageHaveWorkedWith</th>\n",
       "      <th>LanguageWantToWorkWith</th>\n",
       "      <th>DatabaseHaveWorkedWith</th>\n",
       "      <th>DatabaseWantToWorkWith</th>\n",
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       "      <th>OpSys</th>\n",
       "      <th>NEWStuck</th>\n",
       "      <th>NEWSOSites</th>\n",
       "      <th>SOVisitFreq</th>\n",
       "      <th>SOAccount</th>\n",
       "      <th>SOPartFreq</th>\n",
       "      <th>SOComm</th>\n",
       "      <th>NEWOtherComms</th>\n",
       "      <th>Age</th>\n",
       "      <th>Gender</th>\n",
       "      <th>Trans</th>\n",
       "      <th>Sexuality</th>\n",
       "      <th>Ethnicity</th>\n",
       "      <th>Accessibility</th>\n",
       "      <th>MentalHealth</th>\n",
       "      <th>SurveyLength</th>\n",
       "      <th>SurveyEase</th>\n",
       "      <th>ConvertedCompYearly</th>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>ResponseId</th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>41</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>Portugal</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Master’s degree (M.A., M.S., M.Eng., MBA, etc.)</td>\n",
       "      <td>18 - 24 years</td>\n",
       "      <td>School</td>\n",
       "      <td>Less than 1 year</td>\n",
       "      <td>5</td>\n",
       "      <td>Developer, full-stack</td>\n",
       "      <td>20 to 99 employees</td>\n",
       "      <td>EUR European Euro</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>C;C#;C++;Java;Kotlin;Python</td>\n",
       "      <td>Dart;Kotlin;Python;Swift</td>\n",
       "      <td>MongoDB;MySQL;Oracle;PostgreSQL</td>\n",
       "      <td>MongoDB;PostgreSQL</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Flutter;NumPy</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Git;Unity 3D</td>\n",
       "      <td>Git</td>\n",
       "      <td>Android Studio;IntelliJ;Sublime Text;Visual St...</td>\n",
       "      <td>Android Studio;IntelliJ;Sublime Text;Visual St...</td>\n",
       "      <td>MacOS</td>\n",
       "      <td>Call a coworker or friend;Visit Stack Overflow...</td>\n",
       "      <td>Stack Overflow;Stack Exchange</td>\n",
       "      <td>Daily or almost daily</td>\n",
       "      <td>No</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Neutral</td>\n",
       "      <td>No</td>\n",
       "      <td>25-34 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Easy</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>257</th>\n",
       "      <td>I am not primarily a developer, but I write co...</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>Portugal</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Some college/university study without earning ...</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>Other online resources (ex: videos, blogs, etc...</td>\n",
       "      <td>9</td>\n",
       "      <td>3</td>\n",
       "      <td>Developer, front-end;Developer, desktop or ent...</td>\n",
       "      <td>1,000 to 4,999 employees</td>\n",
       "      <td>EUR European Euro</td>\n",
       "      <td>700.0</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>C#;HTML/CSS;Java;SQL;VBA</td>\n",
       "      <td>C#;HTML/CSS;Java;SQL;VBA</td>\n",
       "      <td>Microsoft SQL Server;MySQL</td>\n",
       "      <td>Microsoft SQL Server;MySQL</td>\n",
       "      <td>Microsoft Azure</td>\n",
       "      <td>Microsoft Azure</td>\n",
       "      <td>ASP.NET;ASP.NET Core</td>\n",
       "      <td>ASP.NET;ASP.NET Core</td>\n",
       "      <td>.NET Framework;.NET Core / .NET 5</td>\n",
       "      <td>.NET Framework;.NET Core / .NET 5</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Notepad++;Visual Studio</td>\n",
       "      <td>Notepad++;Visual Studio</td>\n",
       "      <td>Windows</td>\n",
       "      <td>Visit Stack Overflow;Google it;Watch help / tu...</td>\n",
       "      <td>Stack Overflow;Stack Exchange</td>\n",
       "      <td>Multiple times per day</td>\n",
       "      <td>Yes</td>\n",
       "      <td>A few times per month or weekly</td>\n",
       "      <td>Yes, somewhat</td>\n",
       "      <td>No</td>\n",
       "      <td>25-34 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Easy</td>\n",
       "      <td>9084.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>427</th>\n",
       "      <td>I code primarily as a hobby</td>\n",
       "      <td>Student, full-time</td>\n",
       "      <td>Portugal</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Some college/university study without earning ...</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>Online Forum</td>\n",
       "      <td>5</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>C;Matlab;Python;Rust;SQL</td>\n",
       "      <td>Rust</td>\n",
       "      <td>PostgreSQL</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Git</td>\n",
       "      <td>Git</td>\n",
       "      <td>Visual Studio Code</td>\n",
       "      <td>Visual Studio Code</td>\n",
       "      <td>Linux-based</td>\n",
       "      <td>Visit Stack Overflow;Google it;Do other work a...</td>\n",
       "      <td>Stack Overflow;Stack Exchange</td>\n",
       "      <td>Multiple times per day</td>\n",
       "      <td>Yes</td>\n",
       "      <td>A few times per month or weekly</td>\n",
       "      <td>Neutral</td>\n",
       "      <td>No</td>\n",
       "      <td>18-24 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Easy</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>439</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>Portugal</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Master’s degree (M.A., M.S., M.Eng., MBA, etc.)</td>\n",
       "      <td>18 - 24 years</td>\n",
       "      <td>Other online resources (ex: videos, blogs, etc...</td>\n",
       "      <td>8</td>\n",
       "      <td>7</td>\n",
       "      <td>Developer, back-end</td>\n",
       "      <td>20 to 99 employees</td>\n",
       "      <td>EUR European Euro</td>\n",
       "      <td>2650.0</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>Java;JavaScript;Python;SQL</td>\n",
       "      <td>Java;Kotlin;SQL</td>\n",
       "      <td>Elasticsearch;MySQL</td>\n",
       "      <td>Elasticsearch;MySQL;Redis</td>\n",
       "      <td>AWS</td>\n",
       "      <td>AWS;Google Cloud Platform</td>\n",
       "      <td>Spring</td>\n",
       "      <td>Spring</td>\n",
       "      <td>NumPy</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Docker;Git</td>\n",
       "      <td>Docker;Git;Kubernetes</td>\n",
       "      <td>IntelliJ;Sublime Text</td>\n",
       "      <td>IntelliJ;Sublime Text</td>\n",
       "      <td>MacOS</td>\n",
       "      <td>Call a coworker or friend;Visit Stack Overflow...</td>\n",
       "      <td>Stack Overflow;Stack Exchange</td>\n",
       "      <td>Multiple times per day</td>\n",
       "      <td>Yes</td>\n",
       "      <td>I have never participated in Q&amp;A on Stack Over...</td>\n",
       "      <td>No, not really</td>\n",
       "      <td>No</td>\n",
       "      <td>25-34 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Easy</td>\n",
       "      <td>34380.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>455</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>Portugal</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Secondary school (e.g. American high school, G...</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>Other online resources (ex: videos, blogs, etc...</td>\n",
       "      <td>5</td>\n",
       "      <td>2</td>\n",
       "      <td>Developer, mobile;Developer, full-stack</td>\n",
       "      <td>20 to 99 employees</td>\n",
       "      <td>EUR European Euro</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>C#;JavaScript;Node.js;TypeScript</td>\n",
       "      <td>C#;JavaScript;Node.js;TypeScript</td>\n",
       "      <td>Firebase;Microsoft SQL Server;MongoDB;SQLite</td>\n",
       "      <td>Microsoft SQL Server;MongoDB;SQLite</td>\n",
       "      <td>Heroku</td>\n",
       "      <td>NaN</td>\n",
       "      <td>React.js</td>\n",
       "      <td>ASP.NET;ASP.NET Core ;React.js</td>\n",
       "      <td>.NET Framework;.NET Core / .NET 5</td>\n",
       "      <td>.NET Framework;.NET Core / .NET 5</td>\n",
       "      <td>Xamarin</td>\n",
       "      <td>Xamarin</td>\n",
       "      <td>Visual Studio;Visual Studio Code</td>\n",
       "      <td>Visual Studio;Visual Studio Code</td>\n",
       "      <td>Windows</td>\n",
       "      <td>Visit Stack Overflow;Google it;Watch help / tu...</td>\n",
       "      <td>Stack Overflow</td>\n",
       "      <td>Daily or almost daily</td>\n",
       "      <td>Yes</td>\n",
       "      <td>I have never participated in Q&amp;A on Stack Over...</td>\n",
       "      <td>Neutral</td>\n",
       "      <td>Yes</td>\n",
       "      <td>18-24 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>I am blind / have difficulty seeing</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Easy</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>...</th>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>82962</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>Portugal</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Master’s degree (M.A., M.S., M.Eng., MBA, etc.)</td>\n",
       "      <td>18 - 24 years</td>\n",
       "      <td>School</td>\n",
       "      <td>9</td>\n",
       "      <td>2</td>\n",
       "      <td>Developer, full-stack</td>\n",
       "      <td>20 to 99 employees</td>\n",
       "      <td>EUR European Euro</td>\n",
       "      <td>1321.0</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>Java;JavaScript;SQL</td>\n",
       "      <td>Node.js</td>\n",
       "      <td>MariaDB;Microsoft SQL Server;MongoDB;MySQL;Ora...</td>\n",
       "      <td>Elasticsearch</td>\n",
       "      <td>Heroku</td>\n",
       "      <td>NaN</td>\n",
       "      <td>jQuery;Spring</td>\n",
       "      <td>Express;React.js;Vue.js</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Docker;Git</td>\n",
       "      <td>Ansible;Kubernetes</td>\n",
       "      <td>IntelliJ;Vim;Visual Studio Code</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Linux-based</td>\n",
       "      <td>Call a coworker or friend;Visit Stack Overflow...</td>\n",
       "      <td>Stack Overflow</td>\n",
       "      <td>Daily or almost daily</td>\n",
       "      <td>Yes</td>\n",
       "      <td>I have never participated in Q&amp;A on Stack Over...</td>\n",
       "      <td>No, not really</td>\n",
       "      <td>No</td>\n",
       "      <td>25-34 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Easy</td>\n",
       "      <td>17136.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>83140</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>Portugal</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Some college/university study without earning ...</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>Other online resources (ex: videos, blogs, etc)</td>\n",
       "      <td>2</td>\n",
       "      <td>2</td>\n",
       "      <td>Developer, back-end</td>\n",
       "      <td>100 to 499 employees</td>\n",
       "      <td>EUR European Euro</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>C#;Java;Python</td>\n",
       "      <td>Java;Python</td>\n",
       "      <td>IBM DB2;Microsoft SQL Server;MySQL;Oracle</td>\n",
       "      <td>NaN</td>\n",
       "      <td>IBM Cloud or Watson</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>.NET Framework</td>\n",
       "      <td>Qt;TensorFlow;Torch/PyTorch</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Eclipse;Notepad++;Visual Studio</td>\n",
       "      <td>Android Studio;Eclipse;Notepad++;Visual Studio</td>\n",
       "      <td>Windows</td>\n",
       "      <td>Call a coworker or friend;Google it;Do other w...</td>\n",
       "      <td>Stack Overflow</td>\n",
       "      <td>A few times per month or weekly</td>\n",
       "      <td>Yes</td>\n",
       "      <td>Less than once per month or monthly</td>\n",
       "      <td>Neutral</td>\n",
       "      <td>No</td>\n",
       "      <td>25-34 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Easy</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>83259</th>\n",
       "      <td>I am a student who is learning to code</td>\n",
       "      <td>Student, full-time</td>\n",
       "      <td>Portugal</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Secondary school (e.g. American high school, G...</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>Other online resources (ex: videos, blogs, etc...</td>\n",
       "      <td>1</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Assembly;C;Java;Python</td>\n",
       "      <td>C++;Java;JavaScript;Python</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Eclipse;IntelliJ;Visual Studio Code</td>\n",
       "      <td>IntelliJ</td>\n",
       "      <td>Windows</td>\n",
       "      <td>Visit Stack Overflow;Google it;Watch help / tu...</td>\n",
       "      <td>Stack Overflow</td>\n",
       "      <td>Less than once per month or monthly</td>\n",
       "      <td>No</td>\n",
       "      <td>NaN</td>\n",
       "      <td>No, not at all</td>\n",
       "      <td>No</td>\n",
       "      <td>18-24 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Easy</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>83312</th>\n",
       "      <td>I am not primarily a developer, but I write co...</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>Portugal</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Bachelor’s degree (B.A., B.S., B.Eng., etc.)</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>Books / Physical media</td>\n",
       "      <td>33</td>\n",
       "      <td>30</td>\n",
       "      <td>Educator</td>\n",
       "      <td>20 to 99 employees</td>\n",
       "      <td>EUR European Euro</td>\n",
       "      <td>800.0</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>PHP</td>\n",
       "      <td>PHP</td>\n",
       "      <td>MariaDB</td>\n",
       "      <td>MariaDB</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>ASP.NET</td>\n",
       "      <td>Laravel</td>\n",
       "      <td>.NET Framework</td>\n",
       "      <td>Flutter</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Notepad++;Visual Studio</td>\n",
       "      <td>Visual Studio Code</td>\n",
       "      <td>Windows</td>\n",
       "      <td>Visit Stack Overflow;Go for a walk or other ph...</td>\n",
       "      <td>Stack Overflow</td>\n",
       "      <td>Multiple times per day</td>\n",
       "      <td>Yes</td>\n",
       "      <td>I have never participated in Q&amp;A on Stack Over...</td>\n",
       "      <td>Yes, definitely</td>\n",
       "      <td>No</td>\n",
       "      <td>45-54 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>Too long</td>\n",
       "      <td>Easy</td>\n",
       "      <td>10380.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>83333</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>Portugal</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Some college/university study without earning ...</td>\n",
       "      <td>11 - 17 years</td>\n",
       "      <td>Coding Bootcamp;School</td>\n",
       "      <td>8</td>\n",
       "      <td>5</td>\n",
       "      <td>Developer, front-end;Developer, desktop or ent...</td>\n",
       "      <td>100 to 499 employees</td>\n",
       "      <td>EUR European Euro</td>\n",
       "      <td>43000.0</td>\n",
       "      <td>Yearly</td>\n",
       "      <td>HTML/CSS;JavaScript;Node.js;TypeScript</td>\n",
       "      <td>HTML/CSS;JavaScript;Node.js;TypeScript</td>\n",
       "      <td>PostgreSQL</td>\n",
       "      <td>PostgreSQL</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Angular.js;Express;Gatsby;React.js;Vue.js</td>\n",
       "      <td>Gatsby;React.js;Vue.js</td>\n",
       "      <td>React Native</td>\n",
       "      <td>React Native</td>\n",
       "      <td>Docker;Git;Yarn</td>\n",
       "      <td>Deno;Docker;Git;Kubernetes;Yarn</td>\n",
       "      <td>Webstorm</td>\n",
       "      <td>Webstorm</td>\n",
       "      <td>MacOS</td>\n",
       "      <td>Go for a walk or other physical activity;Googl...</td>\n",
       "      <td>Stack Overflow</td>\n",
       "      <td>A few times per week</td>\n",
       "      <td>Yes</td>\n",
       "      <td>Less than once per month or monthly</td>\n",
       "      <td>No, not really</td>\n",
       "      <td>No</td>\n",
       "      <td>35-44 years old</td>\n",
       "      <td>Man</td>\n",
       "      <td>No</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>None of the above</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Easy</td>\n",
       "      <td>46482.0</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "<p>530 rows × 47 columns</p>\n",
       "</div>"
      ],
      "text/plain": [
       "                                                   MainBranch  \\\n",
       "ResponseId                                                      \n",
       "41                             I am a developer by profession   \n",
       "257         I am not primarily a developer, but I write co...   \n",
       "427                               I code primarily as a hobby   \n",
       "439                            I am a developer by profession   \n",
       "455                            I am a developer by profession   \n",
       "...                                                       ...   \n",
       "82962                          I am a developer by profession   \n",
       "83140                          I am a developer by profession   \n",
       "83259                  I am a student who is learning to code   \n",
       "83312       I am not primarily a developer, but I write co...   \n",
       "83333                          I am a developer by profession   \n",
       "\n",
       "                    Employment   Country  US_State  UK_Country  \\\n",
       "ResponseId                                                       \n",
       "41          Employed full-time  Portugal       NaN         NaN   \n",
       "257         Employed full-time  Portugal       NaN         NaN   \n",
       "427         Student, full-time  Portugal       NaN         NaN   \n",
       "439         Employed full-time  Portugal       NaN         NaN   \n",
       "455         Employed full-time  Portugal       NaN         NaN   \n",
       "...                        ...       ...       ...         ...   \n",
       "82962       Employed full-time  Portugal       NaN         NaN   \n",
       "83140       Employed full-time  Portugal       NaN         NaN   \n",
       "83259       Student, full-time  Portugal       NaN         NaN   \n",
       "83312       Employed full-time  Portugal       NaN         NaN   \n",
       "83333       Employed full-time  Portugal       NaN         NaN   \n",
       "\n",
       "                                                      EdLevel     Age1stCode  \\\n",
       "ResponseId                                                                     \n",
       "41            Master’s degree (M.A., M.S., M.Eng., MBA, etc.)  18 - 24 years   \n",
       "257         Some college/university study without earning ...  11 - 17 years   \n",
       "427         Some college/university study without earning ...  11 - 17 years   \n",
       "439           Master’s degree (M.A., M.S., M.Eng., MBA, etc.)  18 - 24 years   \n",
       "455         Secondary school (e.g. American high school, G...  11 - 17 years   \n",
       "...                                                       ...            ...   \n",
       "82962         Master’s degree (M.A., M.S., M.Eng., MBA, etc.)  18 - 24 years   \n",
       "83140       Some college/university study without earning ...  11 - 17 years   \n",
       "83259       Secondary school (e.g. American high school, G...  11 - 17 years   \n",
       "83312            Bachelor’s degree (B.A., B.S., B.Eng., etc.)  11 - 17 years   \n",
       "83333       Some college/university study without earning ...  11 - 17 years   \n",
       "\n",
       "                                                    LearnCode  \\\n",
       "ResponseId                                                      \n",
       "41                                                     School   \n",
       "257         Other online resources (ex: videos, blogs, etc...   \n",
       "427                                              Online Forum   \n",
       "439         Other online resources (ex: videos, blogs, etc...   \n",
       "455         Other online resources (ex: videos, blogs, etc...   \n",
       "...                                                       ...   \n",
       "82962                                                  School   \n",
       "83140         Other online resources (ex: videos, blogs, etc)   \n",
       "83259       Other online resources (ex: videos, blogs, etc...   \n",
       "83312                                  Books / Physical media   \n",
       "83333                                  Coding Bootcamp;School   \n",
       "\n",
       "                   YearsCode YearsCodePro  \\\n",
       "ResponseId                                  \n",
       "41          Less than 1 year            5   \n",
       "257                        9            3   \n",
       "427                        5          NaN   \n",
       "439                        8            7   \n",
       "455                        5            2   \n",
       "...                      ...          ...   \n",
       "82962                      9            2   \n",
       "83140                      2            2   \n",
       "83259                      1          NaN   \n",
       "83312                     33           30   \n",
       "83333                      8            5   \n",
       "\n",
       "                                                      DevType  \\\n",
       "ResponseId                                                      \n",
       "41                                      Developer, full-stack   \n",
       "257         Developer, front-end;Developer, desktop or ent...   \n",
       "427                                                       NaN   \n",
       "439                                       Developer, back-end   \n",
       "455                   Developer, mobile;Developer, full-stack   \n",
       "...                                                       ...   \n",
       "82962                                   Developer, full-stack   \n",
       "83140                                     Developer, back-end   \n",
       "83259                                                     NaN   \n",
       "83312                                                Educator   \n",
       "83333       Developer, front-end;Developer, desktop or ent...   \n",
       "\n",
       "                             OrgSize           Currency  CompTotal CompFreq  \\\n",
       "ResponseId                                                                    \n",
       "41                20 to 99 employees  EUR European Euro        NaN  Monthly   \n",
       "257         1,000 to 4,999 employees  EUR European Euro      700.0  Monthly   \n",
       "427                              NaN                NaN        NaN      NaN   \n",
       "439               20 to 99 employees  EUR European Euro     2650.0  Monthly   \n",
       "455               20 to 99 employees  EUR European Euro        NaN      NaN   \n",
       "...                              ...                ...        ...      ...   \n",
       "82962             20 to 99 employees  EUR European Euro     1321.0  Monthly   \n",
       "83140           100 to 499 employees  EUR European Euro        NaN  Monthly   \n",
       "83259                            NaN                NaN        NaN      NaN   \n",
       "83312             20 to 99 employees  EUR European Euro      800.0  Monthly   \n",
       "83333           100 to 499 employees  EUR European Euro    43000.0   Yearly   \n",
       "\n",
       "                            LanguageHaveWorkedWith  \\\n",
       "ResponseId                                           \n",
       "41                     C;C#;C++;Java;Kotlin;Python   \n",
       "257                       C#;HTML/CSS;Java;SQL;VBA   \n",
       "427                       C;Matlab;Python;Rust;SQL   \n",
       "439                     Java;JavaScript;Python;SQL   \n",
       "455               C#;JavaScript;Node.js;TypeScript   \n",
       "...                                            ...   \n",
       "82962                          Java;JavaScript;SQL   \n",
       "83140                               C#;Java;Python   \n",
       "83259                       Assembly;C;Java;Python   \n",
       "83312                                          PHP   \n",
       "83333       HTML/CSS;JavaScript;Node.js;TypeScript   \n",
       "\n",
       "                            LanguageWantToWorkWith  \\\n",
       "ResponseId                                           \n",
       "41                        Dart;Kotlin;Python;Swift   \n",
       "257                       C#;HTML/CSS;Java;SQL;VBA   \n",
       "427                                           Rust   \n",
       "439                                Java;Kotlin;SQL   \n",
       "455               C#;JavaScript;Node.js;TypeScript   \n",
       "...                                            ...   \n",
       "82962                                      Node.js   \n",
       "83140                                  Java;Python   \n",
       "83259                   C++;Java;JavaScript;Python   \n",
       "83312                                          PHP   \n",
       "83333       HTML/CSS;JavaScript;Node.js;TypeScript   \n",
       "\n",
       "                                       DatabaseHaveWorkedWith  \\\n",
       "ResponseId                                                      \n",
       "41                            MongoDB;MySQL;Oracle;PostgreSQL   \n",
       "257                                Microsoft SQL Server;MySQL   \n",
       "427                                                PostgreSQL   \n",
       "439                                       Elasticsearch;MySQL   \n",
       "455              Firebase;Microsoft SQL Server;MongoDB;SQLite   \n",
       "...                                                       ...   \n",
       "82962       MariaDB;Microsoft SQL Server;MongoDB;MySQL;Ora...   \n",
       "83140               IBM DB2;Microsoft SQL Server;MySQL;Oracle   \n",
       "83259                                                     NaN   \n",
       "83312                                                 MariaDB   \n",
       "83333                                              PostgreSQL   \n",
       "\n",
       "                         DatabaseWantToWorkWith PlatformHaveWorkedWith  \\\n",
       "ResponseId                                                               \n",
       "41                           MongoDB;PostgreSQL                    NaN   \n",
       "257                  Microsoft SQL Server;MySQL        Microsoft Azure   \n",
       "427                                         NaN                    NaN   \n",
       "439                   Elasticsearch;MySQL;Redis                    AWS   \n",
       "455         Microsoft SQL Server;MongoDB;SQLite                 Heroku   \n",
       "...                                         ...                    ...   \n",
       "82962                             Elasticsearch                 Heroku   \n",
       "83140                                       NaN    IBM Cloud or Watson   \n",
       "83259                                       NaN                    NaN   \n",
       "83312                                   MariaDB                    NaN   \n",
       "83333                                PostgreSQL                    NaN   \n",
       "\n",
       "               PlatformWantToWorkWith  \\\n",
       "ResponseId                              \n",
       "41                                NaN   \n",
       "257                   Microsoft Azure   \n",
       "427                               NaN   \n",
       "439         AWS;Google Cloud Platform   \n",
       "455                               NaN   \n",
       "...                               ...   \n",
       "82962                             NaN   \n",
       "83140                             NaN   \n",
       "83259                             NaN   \n",
       "83312                             NaN   \n",
       "83333                             NaN   \n",
       "\n",
       "                               WebframeHaveWorkedWith  \\\n",
       "ResponseId                                              \n",
       "41                                                NaN   \n",
       "257                             ASP.NET;ASP.NET Core    \n",
       "427                                               NaN   \n",
       "439                                            Spring   \n",
       "455                                          React.js   \n",
       "...                                               ...   \n",
       "82962                                   jQuery;Spring   \n",
       "83140                                             NaN   \n",
       "83259                                             NaN   \n",
       "83312                                         ASP.NET   \n",
       "83333       Angular.js;Express;Gatsby;React.js;Vue.js   \n",
       "\n",
       "                    WebframeWantToWorkWith             MiscTechHaveWorkedWith  \\\n",
       "ResponseId                                                                      \n",
       "41                                     NaN                      Flutter;NumPy   \n",
       "257                  ASP.NET;ASP.NET Core   .NET Framework;.NET Core / .NET 5   \n",
       "427                                    NaN                                NaN   \n",
       "439                                 Spring                              NumPy   \n",
       "455         ASP.NET;ASP.NET Core ;React.js  .NET Framework;.NET Core / .NET 5   \n",
       "...                                    ...                                ...   \n",
       "82962              Express;React.js;Vue.js                                NaN   \n",
       "83140                                  NaN                     .NET Framework   \n",
       "83259                                  NaN                                NaN   \n",
       "83312                              Laravel                     .NET Framework   \n",
       "83333               Gatsby;React.js;Vue.js                       React Native   \n",
       "\n",
       "                       MiscTechWantToWorkWith ToolsTechHaveWorkedWith  \\\n",
       "ResponseId                                                              \n",
       "41                                        NaN            Git;Unity 3D   \n",
       "257         .NET Framework;.NET Core / .NET 5                     NaN   \n",
       "427                                       NaN                     Git   \n",
       "439                                       NaN              Docker;Git   \n",
       "455         .NET Framework;.NET Core / .NET 5                 Xamarin   \n",
       "...                                       ...                     ...   \n",
       "82962                                     NaN              Docker;Git   \n",
       "83140             Qt;TensorFlow;Torch/PyTorch                     NaN   \n",
       "83259                                     NaN                     NaN   \n",
       "83312                                 Flutter                     NaN   \n",
       "83333                            React Native         Docker;Git;Yarn   \n",
       "\n",
       "                    ToolsTechWantToWorkWith  \\\n",
       "ResponseId                                    \n",
       "41                                      Git   \n",
       "257                                     NaN   \n",
       "427                                     Git   \n",
       "439                   Docker;Git;Kubernetes   \n",
       "455                                 Xamarin   \n",
       "...                                     ...   \n",
       "82962                    Ansible;Kubernetes   \n",
       "83140                                   NaN   \n",
       "83259                                   NaN   \n",
       "83312                                   NaN   \n",
       "83333       Deno;Docker;Git;Kubernetes;Yarn   \n",
       "\n",
       "                                 NEWCollabToolsHaveWorkedWith  \\\n",
       "ResponseId                                                      \n",
       "41          Android Studio;IntelliJ;Sublime Text;Visual St...   \n",
       "257                                   Notepad++;Visual Studio   \n",
       "427                                        Visual Studio Code   \n",
       "439                                     IntelliJ;Sublime Text   \n",
       "455                          Visual Studio;Visual Studio Code   \n",
       "...                                                       ...   \n",
       "82962                         IntelliJ;Vim;Visual Studio Code   \n",
       "83140                         Eclipse;Notepad++;Visual Studio   \n",
       "83259                     Eclipse;IntelliJ;Visual Studio Code   \n",
       "83312                                 Notepad++;Visual Studio   \n",
       "83333                                                Webstorm   \n",
       "\n",
       "                                 NEWCollabToolsWantToWorkWith        OpSys  \\\n",
       "ResponseId                                                                   \n",
       "41          Android Studio;IntelliJ;Sublime Text;Visual St...        MacOS   \n",
       "257                                   Notepad++;Visual Studio      Windows   \n",
       "427                                        Visual Studio Code  Linux-based   \n",
       "439                                     IntelliJ;Sublime Text        MacOS   \n",
       "455                          Visual Studio;Visual Studio Code      Windows   \n",
       "...                                                       ...          ...   \n",
       "82962                                                     NaN  Linux-based   \n",
       "83140          Android Studio;Eclipse;Notepad++;Visual Studio      Windows   \n",
       "83259                                                IntelliJ      Windows   \n",
       "83312                                      Visual Studio Code      Windows   \n",
       "83333                                                Webstorm        MacOS   \n",
       "\n",
       "                                                     NEWStuck  \\\n",
       "ResponseId                                                      \n",
       "41          Call a coworker or friend;Visit Stack Overflow...   \n",
       "257         Visit Stack Overflow;Google it;Watch help / tu...   \n",
       "427         Visit Stack Overflow;Google it;Do other work a...   \n",
       "439         Call a coworker or friend;Visit Stack Overflow...   \n",
       "455         Visit Stack Overflow;Google it;Watch help / tu...   \n",
       "...                                                       ...   \n",
       "82962       Call a coworker or friend;Visit Stack Overflow...   \n",
       "83140       Call a coworker or friend;Google it;Do other w...   \n",
       "83259       Visit Stack Overflow;Google it;Watch help / tu...   \n",
       "83312       Visit Stack Overflow;Go for a walk or other ph...   \n",
       "83333       Go for a walk or other physical activity;Googl...   \n",
       "\n",
       "                               NEWSOSites  \\\n",
       "ResponseId                                  \n",
       "41          Stack Overflow;Stack Exchange   \n",
       "257         Stack Overflow;Stack Exchange   \n",
       "427         Stack Overflow;Stack Exchange   \n",
       "439         Stack Overflow;Stack Exchange   \n",
       "455                        Stack Overflow   \n",
       "...                                   ...   \n",
       "82962                      Stack Overflow   \n",
       "83140                      Stack Overflow   \n",
       "83259                      Stack Overflow   \n",
       "83312                      Stack Overflow   \n",
       "83333                      Stack Overflow   \n",
       "\n",
       "                                    SOVisitFreq SOAccount  \\\n",
       "ResponseId                                                  \n",
       "41                        Daily or almost daily        No   \n",
       "257                      Multiple times per day       Yes   \n",
       "427                      Multiple times per day       Yes   \n",
       "439                      Multiple times per day       Yes   \n",
       "455                       Daily or almost daily       Yes   \n",
       "...                                         ...       ...   \n",
       "82962                     Daily or almost daily       Yes   \n",
       "83140           A few times per month or weekly       Yes   \n",
       "83259       Less than once per month or monthly        No   \n",
       "83312                    Multiple times per day       Yes   \n",
       "83333                      A few times per week       Yes   \n",
       "\n",
       "                                                   SOPartFreq  \\\n",
       "ResponseId                                                      \n",
       "41                                                        NaN   \n",
       "257                           A few times per month or weekly   \n",
       "427                           A few times per month or weekly   \n",
       "439         I have never participated in Q&A on Stack Over...   \n",
       "455         I have never participated in Q&A on Stack Over...   \n",
       "...                                                       ...   \n",
       "82962       I have never participated in Q&A on Stack Over...   \n",
       "83140                     Less than once per month or monthly   \n",
       "83259                                                     NaN   \n",
       "83312       I have never participated in Q&A on Stack Over...   \n",
       "83333                     Less than once per month or monthly   \n",
       "\n",
       "                     SOComm NEWOtherComms              Age Gender Trans  \\\n",
       "ResponseId                                                                \n",
       "41                  Neutral            No  25-34 years old    Man    No   \n",
       "257           Yes, somewhat            No  25-34 years old    Man    No   \n",
       "427                 Neutral            No  18-24 years old    Man    No   \n",
       "439          No, not really            No  25-34 years old    Man    No   \n",
       "455                 Neutral           Yes  18-24 years old    Man    No   \n",
       "...                     ...           ...              ...    ...   ...   \n",
       "82962        No, not really            No  25-34 years old    Man    No   \n",
       "83140               Neutral            No  25-34 years old    Man    No   \n",
       "83259        No, not at all            No  18-24 years old    Man    No   \n",
       "83312       Yes, definitely            No  45-54 years old    Man    No   \n",
       "83333        No, not really            No  35-44 years old    Man    No   \n",
       "\n",
       "                          Sexuality                     Ethnicity  \\\n",
       "ResponseId                                                          \n",
       "41                              NaN                           NaN   \n",
       "257         Straight / Heterosexual  White or of European descent   \n",
       "427         Straight / Heterosexual  White or of European descent   \n",
       "439         Straight / Heterosexual  White or of European descent   \n",
       "455         Straight / Heterosexual  White or of European descent   \n",
       "...                             ...                           ...   \n",
       "82962       Straight / Heterosexual  White or of European descent   \n",
       "83140       Straight / Heterosexual  White or of European descent   \n",
       "83259       Straight / Heterosexual  White or of European descent   \n",
       "83312       Straight / Heterosexual  White or of European descent   \n",
       "83333       Straight / Heterosexual  White or of European descent   \n",
       "\n",
       "                                  Accessibility       MentalHealth  \\\n",
       "ResponseId                                                           \n",
       "41                                          NaN                NaN   \n",
       "257                           None of the above  None of the above   \n",
       "427                           None of the above  None of the above   \n",
       "439                           None of the above  None of the above   \n",
       "455         I am blind / have difficulty seeing  None of the above   \n",
       "...                                         ...                ...   \n",
       "82962                         None of the above  None of the above   \n",
       "83140                         None of the above  None of the above   \n",
       "83259                         None of the above                NaN   \n",
       "83312                         None of the above  None of the above   \n",
       "83333                         None of the above  None of the above   \n",
       "\n",
       "                     SurveyLength SurveyEase  ConvertedCompYearly  \n",
       "ResponseId                                                         \n",
       "41          Appropriate in length       Easy                  NaN  \n",
       "257         Appropriate in length       Easy               9084.0  \n",
       "427         Appropriate in length       Easy                  NaN  \n",
       "439         Appropriate in length       Easy              34380.0  \n",
       "455         Appropriate in length       Easy                  NaN  \n",
       "...                           ...        ...                  ...  \n",
       "82962       Appropriate in length       Easy              17136.0  \n",
       "83140       Appropriate in length       Easy                  NaN  \n",
       "83259       Appropriate in length       Easy                  NaN  \n",
       "83312                    Too long       Easy              10380.0  \n",
       "83333       Appropriate in length       Easy              46482.0  \n",
       "\n",
       "[530 rows x 47 columns]"
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