save project

diy1.py

@@ -3,8 +3,12 @@ userpassword = "123456"    # 保存在服务器数据库中的用户密码（正
 while True:
     name = input("请输入用户账号：")
     password = input("请输入用户密码：")
-    if name == username and password == userpasssword:
+    if name == username and password == userpassword:
         print("登录成功")
         break
     print("请输入正确的账号和密码")
+    if name!=username:
+        print("用户名不存在，请重新输入！")
+    if password!=userpassword:
+        print("密码输入有误，请重新输入！")
 print("欢迎来到贝尔编程")
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