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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def db_insert(self):
 """ Insert results in the `MongDB` database. """

        assert self.has_db
        # Connect to MongoDb and get the collection.
        coll = self.manager.db_connector.get_collection()
        print("Mongodb collection %s with count %d", coll, coll.count())

        start = time.time()
        for work in self:
            for task in work:
                results = task.get_results()
                pprint(results)
                results.update_collection(coll)
            results = work.get_results()
            pprint(results)
            results.update_collection(coll)
        print("MongoDb update done in %s [s]" % time.time() - start)

        results = self.get_results()
        pprint(results)
        results.update_collection(coll)

        # Update the pickle file to save the mongo ids.
        self.pickle_dump()

        for d in coll.find():
            pprint(d)