def get_box_folder_items(client, folder_id='0'):
    """get box folder and items in side the folder with provide folder id

    Args:
        client (Client): box API client
        folder_id (str, optional): folder 
        ID, e.g. from app.box.com/folder/FOLDER_ID
        . Defaults to '0'.

    Returns:
        Folder, File: box folder and file objects
    """
    box_folder = client.folder(folder_id=folder_id)
    return box_folder, box_folder.get_items()