https://segmentfault.com/a/1190000018814995?utm_source=tag-newest
ln -s /usr/local/python3.8.1/bin/python3.8 /usr/bin/python ln -s /usr/local/python3.8.1/bin/pip3 /usr/bin/pip3
centos7 升级 python3
原文：https://www.cnblogs.com/qq-757617012/p/12343096.html
