auto save

diy2.py

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