save project

diy2.py

+i = 3
 username = "python"
 userpassword = "123456"
-
 while True:
+    if i>0:
         nume=input("请输入用户名")
         password=input("请输入密码")
+        i-=1
         if nume == username and password == userpassword:
             print("登录成功")
             break
@@ -11,4 +13,7 @@ while True:
             input("用户名错误")
         if password != userpassword:
             input("密码错误")
+    else:
+        print("你的账号密码已被锁定")
+        exit()
 print("欢迎来到贝尔编程！")
\ No newline at end of file