save project

diy.py

@@ -5,10 +5,10 @@ class hero:
         self.hp=hp
         self.attack=attack
 
-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("亚瑟的初始血量为：",yase.hp)