code: def set_state(self, state):
          
          if self.index() == 0:
              values = {"outlets": [{"desired_state": {"powered": state}}, {}]}
          else:
              values = {"outlets": [{}, {"desired_state": {"powered": state}}]}
  
          response = self.api_interface.set_device_state(self, values, id_override=self.parent_id(),
                                                         type_override="powerstrip")
          self._update_state_from_response(response)
docs: :param state:   a boolean of true (on) or false ('off')
          :return: nothing