auto save

diy2-test.py

@@ -12,7 +12,9 @@ class Dog:   # 狗类
 
 class Husky(Dog):   # 哈士奇类
     def __init__(self):
-        ？？
+        super().__init__()
+        self.skin = "black"
 
 coco = Husky()
-print(coco.skin)
\ No newline at end of file
+print("coco有"+str(coco.head)+"个头，有"+str(coco.footNum)+"只脚,",end="")
+print(coco.run())