save project

diy1.py

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