centos7快速安裝python3

wget -O /etc/yum.repos.d/epel.repo http://mirrors.aliyun.com/repo/epel-7.repo

yum install python36 -y

yum install python36-pip -y

python3 --version

指定版本號下載地址如下：
https://npm.taobao.org/mirrors/python/