save project

diy2.py

@@ -7,7 +7,7 @@ class Hero:
 def up():
     self.level=self.level+1
     self.hp=self.hp+50
-    self.attack=self.attack=4
+    self.attack=self.attack+4
 houyi=Hero("后羿",300,20)
 print("后羿hp:",houyi.hp)
 up()