auto save

diy.py

+class Hero:
+    def __init__(self,name,hp,attack):
+        self.level=1
+        self.name=name
+        self.hp=hp
+        self.attack=attack
+
+    def update(self):
+        self.level=self.level+1
+        self.hp=self.hp+50
+        self.attack=self.attack+5
+
+yase=Hero("亚瑟",300,50)
+houyi=Hero("后羿",240,80)
+print("初始血量为",yase.hp)
+print(houyi.hp)
+update()
+update()
+print("升两级后的血量为",yase.hp)
+print(houyi.hp)