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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 _send_method(self, method_sig, args=bytes(), content=None):
 """ Send a method for our channel. """

        if isinstance(args, AMQPWriter):
            args = args.getvalue()

        self.connection.method_writer.write_method(self.channel_id,
            method_sig, args, content)