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   |  """ Created on Sun Apr 19 20:39:19 2020
  @author: 不败顽童 """
  class Cat:     def __init__(self,name,color):                  self.cat_name = name         self.cat_color = color         self.cat_age = 3         
      def eat(self):           print("我的{}在吃肉...,他的毛是{}".format(self.cat_name,self.cat_color))         c = self.drink("牛奶")
      def drink(self,drinks):         print("我的{}岁的{}在喝{}...".format(self.cat_age,self.cat_name,drinks))         alive = True         return alive
  if __name__ == "__main__":     my_cat = Cat("大黄","黄色")       print(my_cat.cat_name,my_cat.cat_age)     a = my_cat.eat()     print("a is",a)     is_alive = my_cat.drink("果粒橙")     if is_alive:         print("我的猫还活着")     else:         print("我的猫不活了")
  ---
 
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