Bot to follow followers of a twitter account

twitterfollowfollowers.py

from splinter import Browser
import csv, time

class TwitterAccount:

	def __init__(self, username, password):
		self.username = username
		self.password = password

		self.b = Browser()

		self.doLogin()

	def doLogin(self):
		self.b.visit('https://twitter.com/')

		self.b.find_by_xpath('//*[@id="signin-email"]').fill( self.username )
		self.b.find_by_xpath('//*[@id="signin-password"]').fill( self.password )
		self.b.find_by_xpath('//*[@id="front-container"]/div[2]/div[2]/form/table/tbody/tr/td[2]/button').click()

	def doFollow(self, screen_name, num):
		accountUrl = 'https://twitter.com/' + screen_name + '/followers'

		self.b.visit( accountUrl )

		c = 0
		while True:
			for btn in self.b.find_by_xpath('//button[contains(@class, "user-actions-follow-button")]'):
				if btn.text == 'Seguir':
					c = c + 1
					btn.click()

				if c == num:
					break

				time.sleep(5)

	def doQuit(self):
		self.b.quit()