python去掉空白行

# -*- coding: utf-8 -*-
'''
python读取文件，将文件中的空白行去掉
'''
def delblankline(infile, outfile):
    infopen = open(infile, 'r',encoding="utf-8")
    outfopen = open(outfile, 'w',encoding="utf-8")

    lines = infopen.readlines()
    for line in lines:
        if line.split():
            outfopen.writelines(line)
        else:
            outfopen.writelines("")

    infopen.close()
    outfopen.close()

delblankline("源文件路径", "目标文件路径")