最早见过手写的,类似于下面这种: import datetime def time_1(): begin = datetime.datetime.now() sum = 0 for i in xrange(10000000): sum = sum + i end = datetime.datetime.now() return end-begin print time_1() 输出如下: ➜ Python python time_1.py 0:00:00.280797 另外一种方法是使用timeit模块,使用方法如下: In [5]: import timeit
