save project

diy2.py

@@ -4,9 +4,11 @@ class Hero:
         self.name=name
         self.hp=hp
         self.attack=attack
-liudan=Hero('liudan',600,70)
-hy=Hero('hy',250,23)
-k=Hero('K',5600,199)
-print(liudan.attack)
-print(hy.attack)
-print(k.attack)
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+
+    def upgrade(self):
+        self.level=self.level+1
+        self.hp = self.hp + 50
+        self.attack = self.attack+4
+yase = Hero("榴弹",300,20)
+yase.upgrade()
+print("等级为：",yase.level)
\ No newline at end of file