You're on assignment part 2/2 for this lesson.

Example of inheritance in code:
class RealEstate:
def __init__(self, location):
self.__location = location
class Residential(RealEstate):
def __init__(self, location, bedrooms):
super().__init__(location)
self.__bedrooms = bedrooms
class House(Residential):
def __init__(self, location, bedrooms, yard_size):
super().__init__(location, bedrooms)
self.__yard_size = yard_size