python奇偶行分开实现方法

# -*- 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("源文件路径","偶行数文件路径","奇行数文件路径")