save project

diy2.py

@@ -6,13 +6,17 @@ while True:
         name = input("请输入用户名:")
         if name!=username:
                 print("用户名不存在，请重新输入！")
+                i-=1                
                 continue
         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("用户名和密码错误!请重新输入")
         if password!=userpassword:
                 print("密码输入有误，请重新输入！")
                 i-=1
+    else:
+                print("你的账户被锁定")
+                exit()  
 print("欢迎来到贝尔编程!")
\ No newline at end of file