## 下载

wget https://www.python.org/ftp/python/3.6.8/Python-3.6.8.tar.xz

## 解压

xz -d Python-3.6.8.tar.xz

tar -xf Python-3.6.8.tar

## 安装#进入解压后的目录，依次执行下面命令进行手动编译

sudo ./configure prefix=/usr/local/python3

make && make install

安装pip

sudo yum -y install epel-release

sudo yum -y install python-pip

安装virtualenv

sudo pip install virtualenv

sudo mkdir /var/python_test

cd /var/python_test

sudo virtualenv -p /usr/local/python3/bin/python3 python3

搞定！

source /var/python_test/python3/bin/activate

deactivate