save project

diy2-test.py

@@ -13,7 +13,7 @@ class Dog:   # 狗类
 class Husky(Dog):   # 哈士奇类
     def __init__(self):
         super().__init__() 
-         skin.skin="black"
+         self.skin="black"
 
 
 coco = Husky()