class Car: def __init__(self, brand, model): self.brand = brand self.model = model def move(self): print("驾驶!")class Boat: def __init__(self, brand, model): self.brand = brand self.model = model def move(self): print("航行!")class Plane: def __init__(self, brand, model): self.brand = brand self.model = model def move(self): print("飞行!")car1 = Car("福特", "野马") # 创建 Car 对象boat1 = Boat("伊比沙", "Touring 20") # 创建 Boat 对象plane1 = Plane("波音", "747") # 创建 Plane 对象for x in (car1, boat1, plane1): x.move()