save project

diy2.py

@@ -6,12 +6,11 @@ class Hero:
         self.attack=attack
 #yase=Hero("亚瑟",300,20)
 #houyi=Hero("后羿",250,23)
-def upgrade():
-    yase.level=yase.level+1
-    yase.hp=yase.hp+50
-    yase.attack=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)
 print(yase.hp)
-upgrade()
-upgrade()
+yase.upgrade()
 print(yase.hp)
\ No newline at end of file