#!/usr/bin/env python3
import argparse
from zipfile import ZipFile

def get_args():
    parser = argparse.ArgumentParser()
    parser.add_argument('-s', '--seperator', default='  ')
    parser.add_argument('ZIP')
    return parser.parse_args()

def main():
    args = get_args()
    with ZipFile(args.ZIP, 'r') as myzip:
        for item in myzip.infolist():
            print(f'{item.CRC:x}{args.seperator}{item.filename}')

if __name__ == '__main__':
    main()