class Car:
    price = 100000 # 类属性
    def __init__(self, brand):
        self.brand = brand
        if brand == '劳斯莱斯':
            self.price = 10000000

c1 = Car('大众')
c2 = Car('劳斯莱斯')
Car.price = 120000
print(c1.price, c2.price)