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1,下载python最新版本并解压，当前最新版本为Python 2.7.12
https://www.python.org/downloads/
Python-2.7.12.tgz
文件校验：
md5sum Python-2.7.12.tgz 88d61f82e3616a4be952828b3694109d Python-2.7.12.tgz tar zxvf Python-2.7.12.tgz
2,安装编译依赖包
yum groupinstall "Development tools" yum install zlib-devel yum install bzip2-devel yum install openssl-devel yum install ncurses-devel yum install sqlite-devel
3,编译并安装python
cd Python-2.7.12 ./configure --prefix=/usr/local make && make altinstall
4，建立新python的软连接
ln -s /usr/local/bin/python2.7 /usr/local/bin/python
python -V
Python 2.7.12
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原文地址：http://www.cnblogs.com/Rsean/p/5638965.html
