1、安装工具

sudo yum groupinstall "Development tools"

sudo yum install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-develtk-devel gdbm-devel db4-devel libpcap-devel xz-devel

2、下载python3

3、下载完后对压缩包解压缩

tar -xvf Python-3.6.2.tar.xz

4、进入解压缩完后的文件夹

cd Python-3.6.2

5、 配置

./configure

6、编译

sudo make

7、安装

sudo make install