save project

diy1.py

 """
 """
    -- 登录验证系统 --
    -- 登录验证系统 --
 """
 """
+i = 3
 username = "python"
 username = "python"
 userpassword = "123456"
 userpassword = "123456"
 while True:
 while True:
+    if i>0:
         name = input("请输入用户名:")
         name = input("请输入用户名:")
         password = input("请输入密码:")
         password = input("请输入密码:")
+        i-=1
         if name == username and password == userpassword:
         if name == username and password == userpassword:
             print("登录成功!")
             print("登录成功!")
             break
             break
@@ -14,6 +17,9 @@ while True:
             continue
             continue
         if password != userpassword:
         if password != userpassword:
             print("密码错误!请重新输入")
             print("密码错误!请重新输入")
+    else:
+        print("你的账号已被锁定,请携带证件来解锁!")
+        exit()
 print("欢迎来到贝尔编程!")
 print("欢迎来到贝尔编程!")