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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 set_client_format(self, desc):
 """Get the client format description. This describes the encoding of the data that the program will read from this object. """

        assert desc.mFormatID == AUDIO_ID_PCM
        check(_coreaudio.ExtAudioFileSetProperty(
            self._obj, PROP_CLIENT_DATA_FORMAT, ctypes.sizeof(desc),
            ctypes.byref(desc)
        ))
        self._client_fmt = desc