save project

diy2.py

@@ -5,12 +5,11 @@ class Hero:
         self.hp=hp
         self.hp=hp
         self.attack=attack
         self.attack=attack
 
 
-def upgrade():
-    houyi.level=houyi.level+1
-    houyi.hp=houyi.hp*2.5
-    houyi.attack=houyi.attack*1.5
+    def upgrade(self):
+        self.level=self.level+1
+        self.hp=self.hp*2.5
+        self.attack=self.attack*1.5
 
 
-yase=Hero("亚瑟",250,23)
 houyi=Hero("后羿",300,20)
 houyi=Hero("后羿",300,20)
-upgrade()
+houyi.upgrade()
 print(houyi.hp)
 print(houyi.hp)