day2.ipynb

{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [],
   "source": [
    "import pandas as pd"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "direction    forwardforwardforwardforwardforwardforwardforw...\n",
       "distance                                                  2007\n",
       "dtype: object"
      ]
     },
     "execution_count": 6,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "horiz"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "distance    1499229\n",
       "dtype: int64"
      ]
     },
     "execution_count": 7,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "df = pd.read_csv(\"day2.csv\")\n",
    "horiz = df.loc[df[\"direction\"]==\"forward\", [\"distance\"]].sum()\n",
    "up = df.loc[df[\"direction\"]==\"up\", [\"distance\"]].sum() * -1\n",
    "down = df.loc[df[\"direction\"]==\"down\", \"distance\"].sum()\n",
    "(up + down) * horiz"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 16,
   "metadata": {},
   "outputs": [],
   "source": [
    "test_instructions= [\n",
    "    (\"forward\", 5),\n",
    "    (\"down\", 5),\n",
    "    (\"forward\", 8),\n",
    "    (\"up\", 3),\n",
    "    (\"down\", 8),\n",
    "    (\"forward\", 2),\n",
    "]\n",
    "\n",
    "instructions = [\n",
    "    (\"forward\",9),\n",
    "(\"down\",9),\n",
    "(\"up\",4),\n",
    "(\"down\",5),\n",
    "(\"down\",6),\n",
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    "]\n",
    "\n",
    "\n",
    "\n",
    "\n",
    "aim = horiz = depth = 0\n",
    "\n",
    "for inst in instructions:\n",
    "    if inst[0] == \"forward\":\n",
    "        horiz += inst[1]\n",
    "        depth += aim * inst[1]\n",
    "    elif inst[0] == \"down\":\n",
    "        aim += inst[1]\n",
    "    elif inst[0] == \"up\":\n",
    "        aim -= inst[1]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 17,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "(2007, 668080, 747)"
      ]
     },
     "execution_count": 17,
     "metadata": {},
     "output_type": "execute_result"
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   ],
   "source": [
    "horiz, depth, aim"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 18,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "1340836560"
      ]
     },
     "execution_count": 18,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "horiz * depth"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
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