save project

diy.py

@@ -5,9 +5,9 @@ class hero:
         self.attack = attack
 yase = hero(300,20)
 houyi = hero(210,30)
-def a(self):
+def upgrade(self):
     self.level = self.level + 1
     self.hp = self.hp + 50
     self.attack = self.attack +5
-yase.a()
+yase.upgrade()
 print(yase.hp)
\ No newline at end of file