save project

diy1.py

@@ -6,5 +6,8 @@ while True:
     if name==username and password==userpassword:# 如果用户输入的账号、密码正确，提示登陆成功
        print("登陆成功！")
        break
-     print("欢迎！")
-print("登陆失败，请重新输入！")
+    if name !=username:
+        print("用户账号错误")
+    if password !=userpassword:
+        print("用户密码错误")
+print("欢迎！")
\ No newline at end of file