python脚本去除文本中的空行

[root@zabbix-server py]# vim kongge.py

#!/usr/bin/env python
#-*- coding UTF-8 -*-

import sys,os

def readLines(fname):
    with open(fname,"r") as file:
        return file.readlines()

lines = readLines(sys.argv[1])
for line in lines:
    if len(line.strip()) != 0:
        print line,
[root@zabbix-server py]# chmod +x kongge.py 

[root@zabbix-server py]# ./kongge.py  hello.py