hashtag user mentions url

import pymongo
client = pymongo.MongoClient('130.212.214.188',27017)
db = client.hepc_hiv_addiction_users
collection =  db.new_york_new
collection1 = db.hashtags_and_user_mentions_new_york_new
cursor = collection.find(no_cursor_timeout =True)

c=0
for i in cursor.sort("_id",-1):
    user_hashtags = {}
    user_user_mentions = {}
    user_urls = {}
    if i["tweets"] != None:
        tweets = i["tweets"]
        for t in tweets:
            for h in t["hashtags"]:
                t_hash =  h["text"].lower()
                if t_hash in user_hashtags:
                    user_hashtags[t_hash] = user_hashtags[t_hash] + 1
                else:
                    user_hashtags[t_hash] = 1

            for u in t["user_mentions"]:
                # print u["screen_name"]
                t_user = u["screen_name"]
                if t_user in user_user_mentions:
                    user_user_mentions[t_user] = user_user_mentions[t_user] + 1
                else:
                    user_user_mentions[t_user] = 1


            for ur in t["urls"]:
                t_url = ur["expanded_url"].replace(".","*")
                if t_url in user_urls:
                    user_urls[t_url] = user_urls[t_url] + 1
                else:
                    user_urls[t_url] = 1

        i["user_hashtags"]= user_hashtags
        i["user_mentions"]= user_user_mentions
        i["user_urls"] = user_urls
        collection.save(i)
        c=c+1
        print c