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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 assign_seat(self, seat):
 		"""Assign a seat to this libinput context. 		New devices or the removal of existing devices will appear as events 		when iterating over :meth:`~libinput.LibInput.get_event`. 		:meth:`assign_seat` succeeds even if no input devices are 		currently available on this seat, or if devices are available but fail 		to open. Devices that do not have the minimum capabilities to be 		recognized as pointer, keyboard or touch device are ignored. Such 		devices and those that failed to open are ignored until the next call 		to :meth:`~libinput.LibInput.resume`. 		Warning: 			This method may only be called once per context. 		Args: 			seat (str):
 A seat identifier. 		"""


		rc = self._libinput.libinput_udev_assign_seat(self._li, seat.encode())
		assert rc == 0, 'Failed to assign {}'.format(seat)