auto save

diy2.py

+class Hero:
+    def __init__(self,name,hp,attack):
+        self.level = 1
+        self.name = name
+        self.attack = attack
+
+yase = Hero("亚瑟",300,20)
+
+
+def upgrade():
+    yase.level=yase.level+1
+    yase.hp=yase.hp+100
+    yase.attack=yase.attack+50