韩露抄袭,郑恩地,长沙美莱
1 # coding:utf-8 2 3 4 class animal(object): 5 def __init__(self): 6 self._name = none 7 self._f = none 8 9 def eat(self): 10 print("%s吃%s" % (self._name, self._f().food())) 11 12 13 class dog(animal): 14 def __init__(self): 15 animal.__init__(self) 16 self._f = dogfood 17 self._name = "狗" 18 19 20 class dogfood(): 21 def food(self): 22 return "狗粮" 23 24 25 class cat(animal): 26 def __init__(self): 27 animal.__init__(self) 28 self._name = "猫" 29 self._f = catfood 30 31 32 class catfood(): 33 def food(self): 34 return "猫粮" 35 36 37 dog = dog() 38 dog.eat() 39 cat = cat() 40 cat.eat()
狗吃狗粮
猫吃猫粮
1 # coding:utf-8 2 3 4 class catfood(): 5 def food(self, food_name): 6 self.food_name = food_name 7 8 cf = catfood 9 10 cf1 = catfood() 11 cf1.food("鱼") 12 cf2 = catfood() 13 cf2.food("粥") 14 15 print(cf1.food_name) 16 print(cf2.food_name)
鱼
粥
1 # coding:utf-8 2 3 4 class catfood(): 5 def food(self, food_name): 6 self.food_name = food_name 7 8 cf = catfood 9 10 cf1 = catfood() 11 cf1.food("鱼") 12 cf2 = catfood() 13 cf2.food("粥") 14 15 print(catfood) 16 print(cf) 17 print(cf1)
<class '__main__.catfood'>
<class '__main__.catfood'>
<__main__.catfood object at 0x000000000279b320>
cf catfood 是类对象
cf1是实例对象
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