python3按最后访问时间顺序获取文件夹中文件列表

#!/usr/bin/python3.4
# -*- coding:utf-8 -*-

import os

DIR = YOUR_DIR
def filetime(file):
stat_file = os.stat(DIR + "/" + file)
last_access_time = stat_file.st_atime
return last_access_time

iterms = os.listdir(DIR)
iterms = sorted(iterms,key= lambda x:filetime(x),reverse=True)
print(iterms)