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业务需求
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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