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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 _x_flow_ok(self, active):
 """Confirm a flow method Confirms to the peer that a flow command was received and processed. PARAMETERS: active: boolean current flow setting Confirms the setting of the processed flow method: True means the peer will start sending or continue to send content frames; False means it will not. """

        args = AMQPWriter()
        args.write_bit(active)
        self._send_method((20, 21), args)