save project

diy.py

 class Hero:
     def __init__(self,name,attack,hp):
         self.hp=hp
-        self.lever=1
+        self.level=1
         self.attack=attack
         self.name=name
-        
-
 ysae=Hero('亚瑟',20,300)
+
+def upgrade():
+        ysae.hp=ysae.hp+50
+        ysae.level=ysae.level+1
+        ysae.attack=ysae.attack+4
+upgrade()
+upgrade()
 print(ysae.hp) 
\ No newline at end of file