05_centos7安装python3

https://www.cnblogs.com/FZfangzheng/p/7588944.html

https://www.cnblogs.com/simuhunluo/p/7704765.html

make报错,缺少gcc

https://blog.csdn.net/qq_31306973/article/details/78538601

yum install -y gcc

python3 ok