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():
+    yase.level=yase.level+1
+    yase.hp=yase.hp+50
+    yase.attack=yase.attack+4
+yase = Hero("yase",300,20)
+print("yase初HP:",yase.hp)
+upgrade()
+upgrade()
+houyi = Hero("houyi",240,23)
+print("升2yaseHP:",yase.hp)