例子：
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
python函数代码
# -*- coding: utf-8 -*-
'''
python读取文件，偶数行输出一个文件，奇数行输出一个文件
'''
def fenhang(infile,outfile,outfile1):
infopen = open(infile,'r',encoding='utf-8')
outopen = open(outfile,'w',encoding='utf-8')
outopen1 = open(outfile1, 'w', encoding='utf-8')
lines = infopen.readlines()
i = 0
for line in lines:
i += 1
if i % 2 == 0:
outopen.write(line)
else:
outopen1.write(line)
infopen.close()
outopen.close()
fenhang("jb51.txt","oushu.txt","jishu.txt")
效果图
python中%代表什么意思
求模运算，相当于mod，也就是计算除法的余数，比如5%3就得到2。
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