auto save

diy2.py

+class Hero:
+    def __init__(self,name,hp,attack):
+        self.lever = 1
+        self.name =name
+        self.hp = hp
+        self.attack = attack
+    def upgrade():
+        self.liver = self.liver + 1
+        self.hp = self.hp = 50
+        self.attack = self.attack + 50
+yase = Hero('亚瑟',300,20)
+print(yase.hp)
+print(yase.lever)
+print(yase.attack)
+vase.upgrade()
+print(yase.ｈｐ)
+print(yase.lever)
+print(yase.attack)
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