save project

diy2.py

@@ -5,11 +5,10 @@ class Hero:
         self.name = name
         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("垭瑟",300,20)
 print("垭瑟的初始血量为:",yase.hp)