save project

diy2.py

 class Bird:
     def __init__(self,name,hp,attack):
+        self.level=1
         self.name=name
         self.hp=hp
         self.attack=attack
 redbird=Bird("红色小鸟",500,50)
-bluebird=Bird("蓝色小鸟",450,55)
-print("红色小鸟的血量为：",redbird.hp)
-print("蓝色小鸟的血量为：",bluebird.hp)
\ No newline at end of file
+
+def upgrade():
+    redbird.level=redbird.level+1
+    redbird.hp=redbird.hp+10
+    redbird.attack=redbird.attack+5
+upgrade()
\ No newline at end of file