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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 _disconnect_hanging_devices(self):
 """Periodic callback that checks for devices that haven't been used and disconnects them."""


        now = monotonic()
        for uuid, data in self._connections.items():
            if (now - data['last_touch']) > self.client_timeout:
                self._logger.info("Disconnect inactive client %s from device 0x%X", data['client'], uuid)
                self._loop.add_callback(self._disconnect_from_device, uuid, data['key'], data['client'], unsolicited=True)