save project

diy2.py

@@ -4,10 +4,14 @@ class Hero:
         self.name=name
         self.hp=hp
         self.attack=attack
+
+    def upgrade(self):
+        self.level+=1
+        self.hp+=50
+        self.attack+=4
 yase=Hero('亚瑟',300,20)
 houyi=Hero('后羿',250,23)
-
-def upgrade():
-    yase.level+=1
-    yase.hp+=50
-    yase.attack+=4
+yase.upgrade()
+print(yase.level)
+houyi.upgrade()
+print(houyi.hp)
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