save project

diy2.py

@@ -4,14 +4,18 @@ 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('亚瑟',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.hp)
-print(yase.attack)
\ No newline at end of file
+print(yase.attack)
+print(houyi.level)
+print(houyi.hp)
+print(houyi.attack)
\ No newline at end of file