save project

diy2.py

@@ -5,5 +5,6 @@ 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