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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 punsubscribe(self, *args):
 """ Unsubscribe from the supplied patterns. If empy, unsubscribe from all patterns. """

        if args:
            args = list_or_args(args[0], args[1:])
        return await self.execute_command('PUNSUBSCRIBE', *args)