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import pymongo
import datetime
mongo_con = pymongo.Connection('localhost', 27017)
mongo_db = mongo_con.Mongo_database
mongo_col = mongo_db.my_TTL_collection
timestamp = datetime.datetime.now()
mongo_col.ensure_index("date", expireAfterSeconds=3*60)
mongo_col.insert({'_id': 'login_session', "date": timestamp, "session": "test session"})