follow.py

# Import requiements
from selenium import webdriver
from selenium.webdriver.common.keys import Keys
import time
from webdriver_manager.firefox import GeckoDriverManager


# Create our class
class InstagramBot:
	def __init__(self, username, password):
		self.username = username
		self.password = password
		#self.bot = webdriver.Firefox(executable_path = '/Users/G1325D/esktop/geckodriver.exe')
		self.bot = webdriver.Firefox(executable_path=GeckoDriverManager().install())	

	# Function will log us in to Instagram
	def login(self):
		bot = self.bot
		# Navigate to the Instagram login page
		bot.get('https://www.instagram.com/accounts/login/')
		time.sleep(3)

		# Find the email and password boxes, enter our login credentials
		email = bot.find_element_by_name('username').send_keys(self.username)
		password = bot.find_element_by_name('password').send_keys(self.password)

		# Wait for 1 second then press ENTER
		time.sleep(1)
		bot.find_element_by_name('password').send_keys(Keys.RETURN)

		# Wait 3 second while the post-login page loads
		time.sleep(3)

	def findMyFollowers(self, number_of_followers):
		bot = self.bot

		bot.get('https://instagram.com/' + self.username)
		time.sleep(2)

		bot.find_element_by_xpath('//a[@href="/' + self.username + '/followers/"]').click()

		time.sleep(1)

		popup = bot.find_element_by_class_name('isgrP')

		followers_array = []

		i = 1

		while len(followers_array) <= number_of_followers:
			bot.execute_script('arguments[0].scrollTop = arguments[0].scrollHeight', popup)
			time.sleep(0.4)

			followers = bot.find_elements_by_class_name('FPmhX')

			for follower in followers:
				if follower not in followers_array:
					followers_array.append(follower.text)

			i+=1

		print(followers_array)

		self.followers = followers_array

	def followTheirFollowers(self, number_to_follow):
		bot = self.bot

		for follower in self.followers:
			bot.get('https://instagram.com/' + follower)
			time.sleep(2)

			if(len(bot.find_elements_by_xpath("//*[contains(text(), 'This Account is Private')]")) > 0):
				# If they're private, we can't see their follower list, so skip them
				continue

			bot.find_element_by_xpath('//a[@href="/' + follower + '/followers/"]').click()
			time.sleep(3)

			follow = bot.find_elements_by_xpath("//button[contains(text(), 'Follow')]")

			i = 1

			for follower in follow:
				if(i != 1):
					bot.execute_script("arguments[0].click();", follower)

				if(i > number_to_follow):
					break

				i+=1

			time.sleep(2)


insta = InstagramBot('your account username', 'your password')
insta.login()
insta.findMyFollowers(10)
insta.followTheirFollowers(50)