Get all follower list on Twitter

get_all_follower_list_on_twitter.py

#!/usr/bin/env python3
import re
import urllib.parse
import urllib.request

def getlist(cursor,userid):
    url = 'https://api.twitter.com/1.1/followers/list.json?include_profile_interstitial_type=1&include_blocking=1&include_blocked_by=1&include_followed_by=1&include_want_retweets=1&skip_status=1&cursor='+cursor+'&user_id='+userid+'&count=20'
    user_agent = 'Mozilla/4.0 (compatible; MSIE 5.5; Windows NT)'
    headers = {
        'User-Agent':user_agent,
        'authorization':<twitter authorization>,
        'cookie':<twitter cookie>,
        'x-twitter-active-user':'yes',
        'x-twitter-auth-type':'OAuth2Session',
        'x-twitter-client-language':'ja'
    }
    req = urllib.request.Request(url, headers=headers)
    return req

if __name__ == '__main__':
    flag = True; cursor = "-1"; old_cursor = "-1"
    userid = input('Target user id: ')
    while flag:
        response = urllib.request.urlopen(getlist(cursor,userid))
        the_page = response.read()
        print(the_page)
        cursor = re.search(r'"next_cursor_str":"([0-9]*)"', str(the_page)).group(1)
        if cursor == old_cursor:
            flag = False
        else:
            old_cursor = cursor