yum update -y
yum install epel-release -y
curl https://setup.ius.io |bash -y
yum install python36u -y
yum install python36u-pip
ln -s /bin/python3.6 /bin/python3
ln -s /bin/pip3.6 /bin/pip3
python3 装包 python3 -m pip install xxx
Python2装包, python2 -m pip install xxx