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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 get_alarm(self, area='1', refresh=False):
 """Shortcut method to get the alarm device."""

        if self._devices is None:
            self.get_devices()
            refresh = False

        return self.get_device(CONST.ALARM_DEVICE_ID + area, refresh)