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 upgrade(self,a):
+        yase.level+=1
+        yase.hp+=50
+        yase.attack+=4
+
+yase=Hero("亚瑟",300,20)
+zhugelaing=Hero("诸葛",230,30)
+print(yase.level)
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