InstagramFollowFollowers.py

# This script use InstagramAPI provided here: https://github.com/LevPasha/Instagram-API-python/tree/master/InstagramAPI

import sys
import os
sys.path.append(os.path.abspath("yourpath/Instagram-API-python/InstagramAPI"))
from InstagramAPI import InstagramAPI
import time
import random

user = 'yourname'
pwd = 'yourpass'
api = InstagramAPI(user, pwd)

api.login()
api.getSelfUsersFollowers()
users = api.LastJson['users']

for user in users:
    api.getUserFollowers(user['pk'])
    userFollowers = api.LastJson['users']

    for fol in userFollowers:
        print 'username: ' + fol['username']
        print 'full name: ' + fol['full_name']
        print '=============='
        if not fol['is_private']:
            api.follow(fol['pk'])
            print 'this user is followed'
            print '====================='
        time.sleep(random.randint(30, 480))