auto save

diy2.py

+class Hero:
+    def __init__(self,name,hp,attack):
+        self.level=1
+        self.name=name
+        self.hp=hp
+        self.attack=attack
+    def upgrade(self):
+        self.level+=1
+        self.hp+=50
+        self.attack+=5
+yase=Hero('亚瑟',300,40)
+houyi=Hero('后羿',400,10)
+yase.upgrade()
+houyi.upgrade()
+print('亚瑟的等级，血量，攻击力分别为'+yase.level,yase.hp,yase.attack)
+
+print('后羿的等级，血量，攻击力分别为'+houyi.level,houyi.hp,houyi.attack)