我無法打印所有這些。我錯過了什麼?如何執行所有這些類
class Animal():
def __init__(self):
print("I am an animal")
class Mammal(Animal):
def __init__(self,mouse, dog, cat):
self.mouse = mouse
self.dog = dog
self.cat = cat
print("I am a mammal")
def Mouse_mammal(self):
mouse = "I am a mouse"
print(mouse)
def Dog_mammal(self):
print("I am a dog")
def Cat_mammal(self):
print("I am a cat")
class Reptile(Animal):
def __init__(self):
print("I am a reptile")
def Alligator_reptile(self):
print("I am a reptile")
def Lizard_reptile(self):
print("I am a lizard")
您缺少實際創建這些類的實例的代碼 –