<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def load_labware( self, labware_obj: Labware, location: types.DeckLocation) -> Labware: """ Specify the presence of a piece of labware on the OT2 deck. This function loads the labware specified by `labware` (previously loaded from a configuration file) to the location specified by `location`. :param Labware labware: The labware object to load :param location: The slot into which to load the labware such as 1 or '1' :type location: int or str """

        self._deck_layout[location] = labware_obj
        return labware_obj