save project

diy2.py

@@ -4,7 +4,16 @@ class Hero:
         self.name=name
         self.hp=hp
         self.attack=attack
+
+def upgrade():
+    yase.level=yase.level+1
+    yase.hp=yase.hp*2
+    yase.attack=yase.attack*2
+
 yase=Hero("亚瑟",300,20)
-houyi=Hero("后羿",250,23)
 print(yase.hp)
-print(houyi.hp)
\ No newline at end of file
+
+upgrade()
+upgrade()
+
+print(yase.hp)
\ No newline at end of file