diff --git a/2021/1-2021/python-automation/bot.py b/2021/1-2021/python-automation/bot.py
index 77f0840..076dc40 100644
--- a/2021/1-2021/python-automation/bot.py
+++ b/2021/1-2021/python-automation/bot.py
@@ -3,6 +3,7 @@
 from secrets import pw
 from selenium.webdriver.common.keys import Keys
 from random import randint
+from selenium.webdriver.common.by import By
 
 class Bot():
 
@@ -20,21 +21,21 @@ def login(self, username, password):
         self.driver = webdriver.Chrome()
         self.driver.get('https://instagram.com/')
         sleep(5)
-        username_input = self.driver.find_element_by_xpath('//*[@id="loginForm"]/div/div[1]/div/label/input')
+        username_input = self.driver.find_element("xpath",'//*[@id="loginForm"]/div/div[1]/div/label/input')
         username_input.send_keys(username)
         sleep(1)
-        password_input = self.driver.find_element_by_xpath('//*[@id="loginForm"]/div/div[2]/div/label/input')
+        password_input = self.driver.find_element("xpath",'//*[@id="loginForm"]/div/div[2]/div/label/input')
         password_input.send_keys(password)
         sleep(1)
-        self.driver.find_element_by_xpath('//*[@id="loginForm"]/div/div[3]/button').click()
+        self.driver.find_element("xpath",'//*[@id="loginForm"]/div/div[3]/button').click()
         sleep(3)
-        self.driver.find_element_by_xpath("//button[contains(text(), 'Not Now')]").click() # clicking 'not now btn'
+        self.driver.find_element("xpath","//button[contains(text(), 'Not Now')]").click() # clicking 'not now btn'
         sleep(2)
-        self.driver.find_element_by_xpath("//button[contains(text(), 'Not Now')]").click() # clicking 'not now btn'
+        self.driver.find_element("xpath","//button[contains(text(), 'Not Now')]").click() # clicking 'not now btn'
 
     def like_comment_by_hashtag(self, hashtag):
         self.driver.get('https://www.instagram.com/explore/tags/{}/'.format(hashtag))
-        links = self.driver.find_elements_by_tag_name('a')
+        links = self.driver.find_element(By.TAG_NAME,'a')
 
         def condition(link):
             return '.com/p/' in link.get_attribute('href')
@@ -49,15 +50,15 @@ def condition(link):
             self.driver.get(link)
             # like
             sleep(3)
-            self.driver.find_element_by_xpath('//*[@id="react-root"]/section/main/div/div[1]/article/div[3]/section[1]/span[1]/button').click()
+            self.driver.find_element("xpath",'//*[@id="react-root"]/section/main/div/div[1]/article/div[3]/section[1]/span[1]/button').click()
             sleep(5)
 
             # comment
             self.driver.find_element_by_class_name('RxpZH').click() 
             sleep(1)
-            self.driver.find_element_by_xpath("//textarea[@placeholder='Add a comment…']").send_keys(self.comments[randint(0,1)])
+            self.driver.find_element("xpath","//textarea[@placeholder='Add a comment…']").send_keys(self.comments[randint(0,1)])
             sleep(1)
-            self.driver.find_element_by_xpath("//button[@type='submit']").click()
+            self.driver.find_element("xpath","//button[@type='submit']").click()
 
 def main():
     while True:
@@ -65,4 +66,4 @@ def main():
         sleep(60*60) # one hour
 
 if __name__ == '__main__':
-    main()
\ No newline at end of file
+    main()