save project

diy.py

@@ -5,10 +5,11 @@ class Hero:
         self.hp=hp
         self.attack=attack
 yase=Hero('yase',300,20)
-def upgrade():
-    yase.level=yase.level+1
-    yase.hp=yase.hp+50
-    yase.attack=yase.attack+5
-upgrade()
-upgrade()
-print(yase.attack)
\ No newline at end of file
+def upgrade(self):
+    self.level=self.level+1
+    self.hp=self.hp+50
+    self.attack=self.attack+5
+houyi=Hero('houyi',300,3000)    
+upgrade(houyi)
+
+print("gjlw:",houyi.attack)
\ No newline at end of file