python計算時間間隔(精確到微妙)

使用python中的datetime

import datetime  oldtime=datetime.datetime.now()  print oldtime;  x=1  while x<10000000:      x=x+1  newtime=datetime.datetime.now()  print newtime;  print u'相差:%s'%(newtime-oldtime)  print u'相差:%s微秒'%(newtime-oldtime).microseconds  print u'相差:%s秒'%(newtime-oldtime).seconds

結果如下: