While It's Not necessarily obvious how to augment a direct member obtain like foo.num = num, You can certainly increase your standard setter with an extra power parameter: Beneath is an additional example on how @property may help when a person has to refactor code and that is taken from https://affordablehousinggurugram.in/aipl-lake-city-sector-103-gurgaon-a-new-chapter-in-urban-luxury-living/