python系列之：打开文本修改文本内容

python读写文件详细介绍参考这篇博客：

• python读写文件

import os
hostname = "10.128.10.19:2222"
hostPath = "/Users/f/hosts"
hostContent = open(hostPath,'w')
hostContent.writelines(["[agents]","\n",hostname])

输出如下所示：
[agents]
10.128.10.19:2222