会创建一个download/文件夹

def download_financialzip():
    """
    会创建一个download/文件夹
    """
    result = get_filename()
    res = []
    for item, md5 in result:
        if item in os.listdir(download_path) and md5==QA_util_file_md5('{}{}{}'.format(download_path,os.sep,item)):
            
            print('FILE {} is already in {}'.format(item, download_path))
        else:
            print('CURRENTLY GET/UPDATE {}'.format(item[0:12]))
            r = requests.get('http://down.tdx.com.cn:8001/fin/{}'.format(item))

            file = '{}{}{}'.format(download_path, os.sep, item)

            with open(file, "wb") as code:
                code.write(r.content)
            res.append(item)
    return res