auto save

diy2.py

+"""
+   -- 登录验证系统 --
+"""
 username = "python"
 userpassword = "123456"
 while True:
@@ -5,5 +8,6 @@ while True:
     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
+print("欢迎来到贝尔编程!")   
\ No newline at end of file