save project

diy2-test.py

@@ -12,7 +12,11 @@ class Dog:   # 狗类
 
 class Husky(Dog):   # 哈士奇类
     def __init__(self):
-        ？？
+        super().__init__()
+        self.skin = "white and black"
 
+    def run(self):
+        print("狗狗快跑")
 coco = Husky()
-print(coco.skin)
\ No newline at end of file
+print(coco.skin)
+coco.run()
\ No newline at end of file