def get_example_filepath(fname) -> Path:
    r"""Return absolute path to an example file if exist.

    Parameters
    ----------
    fname : str
        Filename of an existing example file.

    Returns
    -------
    Filepath
        Absolute filepath to an example file if exists.

    Notes
    -----
    A ValueError is raised if the provided filename does not represent an existing example file.

    Examples
    --------
    >>> fpath = get_example_filepath('examples.xlsx')
    """
    fpath = (EXAMPLE_FILES_DIR / fname).absolute()
    if not fpath.exists():
        AVAILABLE_EXAMPLE_FILES = os.listdir(EXAMPLE_FILES_DIR)
        raise ValueError(f"Example file {fname} does not exist. "
                         f"Available example files are: {AVAILABLE_EXAMPLE_FILES}")
    return fpath