save project

diy.py

 class Hero:
     def __init__(self,name,hp,attack):
         self.name=name
-        self.leve=1
+        self.level=1
         self.hp=hp
         self.attack=attack
+    def upgrade(self):
+        self.level= self.level+1
+        self.hp=self.hp+50
+        self.attack=self.attack+4
 yase=Hero("yase",300,20)
 houyi=Hero("houyi",250,23)
 
-def upgrade(self):
-    self.leve= self.leve+1
-    self.hp.self.hp+50
-    
-    self.attack=self.attack+4
     
-upgrade(yase)
-upgrade(houyi)
 
+yase.upgrade(yase)
 
 
 print("yase的血量为"+str(yase.hp))