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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 get_sound_settings(self, target="") -> List[Setting]: """Get the current sound settings. :param str target: settings target, defaults to all. """

        res = await self.services["audio"]["getSoundSettings"]({"target": target})
        return [Setting.make(**x) for x in res]