save project

diy2.py

+class Dog:
+    def __init__(self):
+        self.footNum = 4
+        self.eyeNum = 2
+        self.head = 1
+        self.earsNum = 2
+        self.skin = "white"
+    def run(self):
+        print("狗狗飞快的跑起来")
+
+class Husky(Dog):
+    def __init__(self):
+        super().__init__()
+        self.skin = "white+balck"
+
+pet = Husky()
+print(pet.skin)