安装EPEL和IUS软件源
yum -y install epel-release yum -y install https://centos7.iuscommunity.org/ius-release.rpm
安装python3.6，pip3，devel
yum -y install python36u yum -y install python36u-pip yum -y install python36u-devel
创建python3与pip3的软连接
ln -s /bin/python3.6 /bin/python3 ln -s /bin/pip3.6 /bin/pip3