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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 return_single_labels(self, object_id):
 """ Returns all labels for an object specified by the object_id Parameters object_id : int, id of object in database Returns ------- result : list of labels """

        engine = create_engine('sqlite:////' + self.dbpath)
        trainset.Base.metadata.create_all(engine)
        session_cl = sessionmaker(bind=engine)
        session = session_cl()
        tmp_object = session.query(trainset.TrainSet).get(object_id)
        return tmp_object.labels