save project

diy2.py

+class Hero:  
+    def __init__(self, name,hp,attack):  
+        self.name = name
+        self.level=1
+        self.hp = 250
+        self.attack = 23
+
+    def upgrade(self):
+        self.level=self.level+1
+        self.hp=self.hp+50
+        self.attack=self.attack+4
+hoyi=Hero("后羿",250,23) 
+hoyi.upgrade()
+hoyi.upgrade()
+print(hoyi.hp)   
+print(hoyi.attack) 
+print(hoyi.level)