save project

diy2.py

@@ -6,9 +6,9 @@ class Hero:
         self.attack = attack
 
     def upgrade(self):
-    self.level=self.level+1
-    self.hp=self.hp+50
-    self.attack=self.attack+4
+        self.level=self.level+1
+        self.hp=self.hp+50
+        self.attack=self.attack+4
 
 yase = Hero("垭瑟",300,20)
 houyi = Hero("后羿",240,23)