save project

diy2.py

@@ -5,11 +5,13 @@ class Hero:
         self.hp = hp
         self.attack = attack
 
-def upgrade():
-    jeige.level = jeige.level+1
-    jeige.hp = jeige.hp+50
-    jeige.attack = jeige.attack+10
+def upgrade(self):
+    self.level = self.level+1
+    self.hp = self.hp+50
+    self.attack = self.attack+10
 
 jeige = Hero("杰哥",300,10)
-upgrade()
+laoba = Hero("老八",200,30)
+jeige.upgrade()
+laoba.upgrade()
 print("杰哥的血量：",jeige.hp)
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