save project

diy2.py

@@ -4,17 +4,14 @@ class Hero:
         self.name=name
         self.hp=hp
         self.attack=attack
-    def upgrade(self):
-        self.level=self.level+1
-        self.hp+=50
-        self.attack+=4
 yase=Hero('亚瑟',300,20)
 houyi=Hero('后羿',250,23)
-yase.upgrade()
-houyi.upgrade()
+def upgrade():
+    yase.level+=1
+    yase.hp+=50
+    yase.attack+=4
+upgrade()
+upgrade()
 print(yase.level)
 print(yase.hp)
-print(yase.attack)
-print(houyi.level)
-print(houyi.hp)
-print(houyi.attack)
\ No newline at end of file
+print(yase.attack)
\ No newline at end of file