save project

diy2.py

@@ -6,7 +6,7 @@ class Hero:
         self.attack = attack
     def upgrade(self):
         self.level=self.level+1
-        self.hp=self.hp=50
+        self.hp=self.hp+50
         self.attack=self.attack+4
 houyi = Hero("后裔",240,23)
 houyi.upgrade()