save project

diy2.py

@@ -11,7 +11,7 @@ class Hero:
         self.hp=self.hp+50
 yase=Hero('yase',300,20)
 hy=Hero('hy',300,20)    
-hy.upgrade()
+yase.upgrade()
 print('等级',yase.level)
 print('血量',yase.hp)
 print('攻击力',yase.attack)
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