python中map和列表推导效率比较实例分析

本文实例讲述了python中map和列表推导效率比较。分享给大家供大家参考。具体分析如下:

直接来测试代码吧:

#!/usr/bin/env python
# -*- coding: utf-8 -*-
# list comprehension and map
import time
def test(f, name):
st = time.time()
f()
print ‘%s %ss’%(name, time.time()-st)
times = 1000
arr = range(10000)
def tmap():
i = 0
while (i

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