import glob output_txt = 'list_attr_mydataset.txt' for idx, f in enumerate(glob.glob('./my-processed-dataset/*.csv')): with open(f, 'r') as csv_file: csv_file.readline() csv_list = csv_file.readline().split(', ') if float(csv_list[1]) >= 0.88: aus = " ".join(csv_list[2:19]) open(output_txt, 'a').write(f.split('/')[-1].split('.')[0] + '.jpg ' + aus + '\n')