由于在计算一个算法的运行时间的时候，需要将文件的创建日期与修改日期读取到，然后计算两者之差，在网上搜索了相关的程序之后，自己又修改了一下，把代码贴在这里，供以后查阅使用，也希望可以帮到其他人。
1 # -*- coding: utf-8 -*- 2 """ 3 Created on Mon Dec 12 14:59:46 2016 4 5 @author: shenruixue 6 7 to calculate size after filter in conv and pool 8 """ 9 import os.path, time 10 import exceptions 11 class TypeError (Exception): 12 pass 13 if __name__ == '__main__': 14 file_srx = open("train_1920_1080.set")#其中包含所有待计算的文件名 15 line = file_srx.readline() 16 diff_time_all = 0 17 while line: 18 f = line[:-1] # 除去末尾的换行符 19 print (f) 20 print ('***********************************************************') 21 mtime = time.ctime(os.path.getmtime(f)) 22 ctime = time.ctime(os.path.getctime(f)) 23 mtime_s = (os.path.getmtime(f)) 24 ctime_s = (os.path.getctime(f)) 25 print "Last modified : %s, last created time: %s" % (mtime, ctime) 26 diff_time = (int(mtime_s) - int(ctime_s)) 27 diff_time_all = diff_time_all + diff_time 28 print "diff time is ", diff_time 29 line = file_srx.readline() 30 print "diff_time_all is ", diff_time_all 31 file_object = open('train_1920_1080.txt', 'w') 32 file_object.write(str(diff_time_all)) 33 file_object.close( )