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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:
 async def dump_message(self, msg, msg_type=None):
 """ Dumps message to the writer. :param msg: :param msg_type: :return: """

        mtype = msg.__class__ if msg_type is None else msg_type
        fields = mtype.f_specs()
        for field in fields:
            await self.message_field(msg=msg, field=field)