Решение задачи с наследованием

class Car:
    def __init__(self, mark, cylinders, power):
        self.mark = mark
        self.cylinders = cylinders
        self.power = power
 
    def __str__(self):
        return f"Марка: {self.mark}, количество цилиндров: {self.cylinders}, мощность: {self.power} л.с"
 
 
class Lorry(Car):
    def __init__(self, mark, cylinders, power, capacity):
        super().__init__(mark, cylinders, power)
        self.capacity = capacity
 
    def __str__(self):
        return f"{super().__str__()}, грузоподъемность: {self.capacity} т"
 
 
def main():
    truck = Lorry("ГАЗ", 4, 119, 2500)
    passenger = Car("Лада", 8, 105)
    print(truck)
    print(passenger)
    truck.power = 60
    truck.mark = "MAN"
    print(truck)
 
 
if __name__ == "__main__":
    main()

class Car:
    def __init__(self, mark, cylinders, power):
        self.__mark = mark
        self.__cylinders = cylinders
        self.__power = power
 
    @property
    def mark(self):
        return self.__mark
 
    @mark.setter
    def mark(self, new_mark):
        self.__mark = new_mark
 
    @property
    def cylinders(self):
        return self.__cylinders
 
    @cylinders.setter
    def cylinders(self, new_cylinders):
        self.__cylinders = new_cylinders
 
    @property
    def power(self):
        return self.__power
 
    @power.setter
    def power(self, new_power):
        self.__power = new_power
 
    def __str__(self):
        return f"Марка: {self.__mark}, количество цилиндров: {self.__cylinders}, мощность: {self.__power} л.с."
 
 
class Lorry(Car):
    def __init__(self, mark, cylinders, power, capacity):
        super().__init__(mark, cylinders, power)
        self.__capacity = capacity
 
    @property
    def capacity(self):
        return self.__capacity
 
    @capacity.setter
    def capacity(self, new_capacity):
        self.__capacity = new_capacity
 
    def __str__(self):
        return f"{super().__str__()}, грузоподъемность: {self.__capacity} т"
 
 
def main():
    truck = Lorry("ГАЗ", 4, 119, 2500)
    passenger = Car("Лада", 8, 105)
    print(truck)
    print(passenger)
    truck.power = 60
    truck.mark = "MAN"
    print(truck)
 
 
if __name__ == "__main__":
    main()