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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 _onmessage(cls, kmsg):
 """ Call on received message :param kser.schemas.Message kmsg: Kafka message :return: Kafka message :rtype: kser.schemas.Message """

        logger.debug(
            "{}.ReceivedMessage {}[{}]".format(
                cls.__name__, kmsg.entrypoint, kmsg.uuid
            ),
            extra=dict(kmsg=kmsg.dump())
        )
        return cls.onmessage(kmsg)