W3School TIY Editor

class Vehicle:

  def __init__(self, brand, model):

    self.brand = brand

    self.model = model

​

  def move(self):

    print("移动!")

​

class Car(Vehicle):

  pass

​

class Boat(Vehicle):

  def move(self):

    print("航行!")

​

class Plane(Vehicle):

  def move(self):

    print("飞行!")

​

car1 = Car("福特", "野马") #创建 Car 对象

boat1 = Boat("伊比萨", "Touring 20") #创建 Boat 对象

plane1 = Plane("波音", "747") #创建 Plane 对象

​

for x in (car1, boat1, plane1):

  print(x.brand)

  print(x.model)

  x.move()