# 2 定义一个汽车类# 21 类中定义一个move方法# 22 并添加颜色、马力、型号等属性# 23 分别创建BMW_X7、AUDI_A8对象分别打印出属性值、调用move方法

class Car: def init(self, color, horsepower, model): self.color = color self.horsepower = horsepower self.model = model

def move(self):
    print("The car is moving.")

BMW_X7 = Car("black", 300, "BMW X7") AUDI_A8 = Car("white", 350, "Audi A8")

print("BMW X7: color =", BMW_X7.color, ", horsepower =", BMW_X7.horsepower, ", model =", BMW_X7.model) BMW_X7.move()

print("AUDI A8: color =", AUDI_A8.color, ", horsepower =", AUDI_A8.horsepower, ", model =", AUDI_A8.model) AUDI_A8.move(