save project

diy2.py

@@ -4,15 +4,16 @@ class Hero:
         self.name = name
         self.hp = hp
         self.attack = attack
+    def upgrade(self):
+        self.level+=1
+        self.hp+=50
+        self.attack+=4
 yase = Hero("垭瑟",300,20)
 houyi = Hero("后羿",250,23)
-def upgrade():
-    yase.level+=1
-    yase.hp+=50
-    yase.attack+=4
-upgrade()
-upgrade()
+
+yase.upgrade()
+houyi.upgrade()
 print(yase.level)
 print(yase.attack)
-print(yase.hp)
+print(houyi.hp)