1、下载python3源码

wget https://www.python.org/ftp/python/3.5.2/Python-3.5.2.tar.xz

 2、解压源码

tar -xvf Python-3.5.2.tar.xz

 3、进入目录编译安装python3

cd Python-3.5.2./configuremakemake install

 4、运行python3出现如下即为安装成功

[root@localhost ~]# python3Python 3.5.2 (default, Oct 11 2017, 16:52:33) [GCC 4.4.7 20120313 (Red Hat 4.4.7-4)] on linuxType "help", "copyright", "credits" or "license" for more information.>>>