save project

diy1.py

@@ -3,4 +3,7 @@ userpassword = "123456"    # 保存在服务器数据库中的用户密码（正
 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:")
 if name == username and password == userpassword
 if name == username and password == userpassword
-    print("登录成功")
+    print("登录成功")
\ No newline at end of file
+    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