save project

123.py

-player=input("请出拳(石头/剪刀/布):")
-print("玩家出拳:"+player)
-import random
-list = ["石头","剪刀","布"]
-computer =random.choice(list)
-print("计算机出拳:"+computer)
-if player in list:
-    if player==computer:
-        print("平局")
-    elif(player=="石头" and computer=="剪刀") or (player=="剪刀" and computer=="布") or (player=="布" and computer=="石头"):
-        print("恭喜你赢了")
+username = "ysz20111212"
+userpassword = "121200"
+while True:
+    name = input("请输入用户名:")
+    password = input("请输入密码:")
+    if name == username and password == userpassword:
+        print("登录成功！")
+        break
+    print("用户名和密码错误！请重新输入")
+print("欢迎来到贝尔编程！")
\ No newline at end of file
-    else:
-        print("很遗憾你输了")
-else:
-    print("输入错误")