业务需求

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需要将文本文件分每两行一组

jb51.txt

1:www.jb51.net
2:www.jb51.net
3:www.jb51.net
4:www.jb51.net
5:www.jb51.net
6:www.jb51.net
7:www.jb51.net
8:www.jb51.net
9:www.jb51.net
10:www.jb51.net
11:www.jb51.net
12:www.jb51.net
13:www.jb51.net
14:www.jb51.net
15:www.jb51.net
16:www.jb51.net

核心代码：

# -*- coding: utf-8 -*-
'''
python读取文件，每两行为一组
'''
def fenhang(infile,outfile):

 infopen = open(infile,'r',encoding='utf-8')
 outopen = open(outfile,'w',encoding='utf-8')
 lines = infopen.readlines()
 i = 1
 for line in lines:
  if i % 2 == 0:
   outopen.write(line+'\n')
  else:
   outopen.write(line)
  i += 1
 infopen.close()
 outopen.close()
fenhang("jb51.txt","o.txt")

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