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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 _cb_inform_sensor_status(self, msg):
 """Update received for an sensor."""

        timestamp = msg.arguments[0]
        num_sensors = int(msg.arguments[1])
        assert len(msg.arguments) == 2 + num_sensors * 3
        for n in xrange(num_sensors):
            name = msg.arguments[2 + n * 3]
            status = msg.arguments[3 + n * 3]
            value = msg.arguments[4 + n * 3]
            self.update_sensor(name, timestamp, status, value)