save project

diy3.py

+class cat:
+    def_init_(self):
+        self.footNum = 4
+        self.eyeNum = 2
+        self.head = 1
+        self.earsNum = 2
+        self.skin = "black"
+    def run(self):
+        print("小猫飞快的跑起来")
+
+    def skil(self.prey):
+        print("小猫抓住了"+prey)
+role = Cat()
+role.run()
+role.skil("老鼠")
+