def get_argument_example():
    args = sys.argv[1:]
    if len(args) != 1:
        return None
    arg = args[0]
    if arg in EXAMPLES:
        return arg
    try:
        return EXAMPLES[int(arg) - 1]
    except Exception:
        return None
dataset/ETHPy150Open fogleman/pg/main.py/get_argument_example/original