1.官网下载https://www.python.org/downloads/source/ 下载最新版本Python-3.7.0b4.tgz
2.上传到centos服务器 运行 tar -zxvf Python-3.7.0b4.tgz 解压文件
3.cd Python-3.7.0b4 安装依赖包
yum -y groupinstall "Development tools"
yum -y install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gdbm-devel db4-devel libpcap-devel xz-devel
3.7版本会出错需要安依赖包
yum install libffi-devel -y
4. 运行配置命令：./configure --prefix=/usr/local/python36 --enable-optimizations
5.运行安装命令：make && make install
6.建立软连接：
ln -s /usr/local/python3/bin/python3 /usr/bin/python3
ln -s /usr/local/python3/bin/pip3 /usr/bin/pip3