code: def add_device(self, path):
  		
  
  		hdevice = self._libinput.libinput_path_add_device(
  			self._li, path.encode())
  		if hdevice:
  			return Device(hdevice, self._libinput)
  		return None
docs: Add a device to a libinput context.
  
  		If successful, the device will be added to the internal list and
  		re-opened on :meth:`~libinput.LibInput.resume`. The device can be
  		removed with :meth:`remove_device`.
  		If the device was successfully initialized, it is returned.
  
  		Args:
  			path (str): Path to an input device.
  		Returns:
  			~libinput.define.Device: A device object or :obj:`None`.