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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 actuator_off(self, service_location_id, actuator_id, duration=None):
 """ Turn actuator off Parameters service_location_id : int actuator_id : int duration : int, optional 300,900,1800 or 3600 , specifying the time in seconds the actuator should be turned on. Any other value results in turning on for an undetermined period of time. Returns ------- requests.Response """

        return self._actuator_on_off(
            on_off='off', service_location_id=service_location_id,
            actuator_id=actuator_id, duration=duration)