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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 set_codec(self, codectype=0x0040, bitrate=0x0003):
 """Set codec settings."""

        act = self.service.action("X_SetCodec")
        res = await act.async_call(CodecType=codectype, CodecBitrate=bitrate)
        return res