save project

diy1.py

@@ -6,5 +6,8 @@ while True:
     if name == username and password == userpassword:
         prink("成功")
         break
-    print("错误")
+    if name != username:
+       print("账号错误")
+    if password != userpassword:
+       print("密码错误")
 print("欢迎来到编程世界")
\ No newline at end of file