auto save

diy2.py

+class Hero():
+    def __init__(self,name,hp,level,attack):
+        self.name = name
+        self.hp = hp
+        self.level = level
+        self.attack = attack
+
+yase = Hero("亚瑟",250,1,200)
+houyi = Hero("后羿",300,1,150)
+
+def upgrade():
+    yase.hp+=50
+    yase.level+=1
+    yase.attack+=4
+
+upgrade()
+upgrade()
+print(yase.name,yase.hp,yase.attack)
+print(houyi.name,houyi.hp,houyi.attack)