save project

diy1.py

@@ -9,5 +9,8 @@ while True:
     if name==username and password==userpassword:
         print("登陆成功!")
         break
-    print("登陆失败!")
+    if name!=username:
+        print("用户名错误！")
+    elif password!=userpassword:
+        print("密码错误！")
 print("欢迎来到贝尔编程!")
\ No newline at end of file