应该这样做,
directories您的目录列表在哪里:
import osimport itertoolsgenerators = [os.walk(d) for d in directories]for root, dirs, files in itertools.chain(*generators): print root, dirs, files

应该这样做,
directories您的目录列表在哪里:
import osimport itertoolsgenerators = [os.walk(d) for d in directories]for root, dirs, files in itertools.chain(*generators): print root, dirs, files