Check Instagram Follows who don't follow back

diff.py

#!/usr/bin/env python3

"""
1. Go to https://accountscenter.instagram.com/info_and_permissions/dyi/
2. Select 'Request Download'
3. Select Followers & Following 
4. Select 'All time' (default is 'Last Year')
5. Select 'Json' (default is 'HTML')
6. Download the data
7. Unzip and put this file into the same directory
8. Change your follower/following count to match your instagram numbers

USAGE: python3 diff.py
"""
import json

num_followers = 
num_following = 
with open('followers_1.json', 'r') as f1:
    array1 = json.load(f1)

followers = [] 
for i in range(0,num_followers):
    followers.append(array1[i]['string_list_data'][0]['value'])

with open('following.json', 'r') as f2:
    array2 = json.load(f2)

following = [] 
for i in range(0,num_following):
    following.append(array2["relationships_following"][i]['string_list_data'][0]['value'])


diff_list = list(set(following).difference(followers))
print(diff_list)