py script to find out which twitter users aren't following your back

no_follow_back.py

from twitter.api import Twitter

USERNAME = 'r1cky' # set to your/any username
 
twitter = Twitter() # username/password not required for these calls
friends = twitter.friends.ids(screen_name=USERNAME)
followers = twitter.followers.ids(screen_name=USERNAME)
guilty = [x for x in friends if x not in followers]

print "There are %s tweeps you follow who do not follow you" % len(guilty)
 
for user_id in guilty:
    user = twitter.users.show(user_id=user_id)
    print "%s follows %s and has %s followers." % \
              (user['name'], user['friends_count'], user['followers_count'] )