import pathlib


def peer_save_path(current_path: pathlib.Path, append: str) -> pathlib.Path:
    """
    get save path of concatenated result.
    this path is peer to current prediction file and append string: <prd.name>_<append>.<suffix>
    :param current_path: pathlib.Path: current prediction file Path object
    :param append: str: append string excluding file suffix
    :return: pathlib.Path: concatenated result file save path
    """
    return current_path.parent.joinpath(current_path.stem + append + current_path.suffix)