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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 GetZoneGroupState(self, *args, **kwargs):
 """Overrides default handling to use the global shared zone group state cache, unless another cache is specified."""

        kwargs['cache'] = kwargs.get('cache', zone_group_state_shared_cache)
        return self.send_command('GetZoneGroupState', *args, **kwargs)