save project

diy2.py

@@ -4,15 +4,12 @@ class Hero:
         self.name=name
         self.hp=hp
         self.attack=attack
-def upgrade():
-    yase.level+=1
-    yase.hp+=50
-    yase.attack+=4
+    def upgrade(self):
+        self.level=+self.level+1
+        self.hp=self.hp+50
+        self.attack=self.attack+4
 
 yase=Hero('亚瑟',300,20)
 houyi=Hero('后羿',240,24)
-upgrade()
-upgrade()
-upgrade()
-upgrade()
-print("亚瑟升级四次后，血量为：",yase.hp)
\ No newline at end of file
+yase.upgrade()
+print("亚瑟升级后，血量为：",yase.hp)
\ No newline at end of file