save project

diy2.py

 username = "python"
 userpassword = "123456"
+i = 3
 while True:
+    if i>0:
         Q = input("输入账户：")
         A = input("输入密码：")
+        i-=1
         if username == Q and userpassword == A:
             print("登陆成功")
             break
@@ -10,4 +13,7 @@ while True:
             print("用户名输入有误，请重新输入")           
         else:
             print("密码输入有误，请重新输入")
+    else:
+        print("您的账户已被锁定，请带身份证来我司解锁")
+        exit()
 print("欢迎来到贝尔编程！") 
\ No newline at end of file