def gen_file_names(model_nm):
    """
    Generate our standard list of I/O spots.
    """
    prog_file = model_nm + '.py'
    log_file = model_nm + '.log'
    prop_file = model_nm + '.props'
    rsul_file = model_nm + '.out'
    return prog_file, log_file, prop_file, rsul_file
