# CentOS 安装 Python3.7
> yum install gcc openssl-devel bzip2-devel libffi-devel
> cd /usr/src
> wget https://www.python.org/ftp/python/3.7.4/Python-3.7.4.tgz
> tar xzf Python-3.7.4.tgz
> cd Python-3.7.4
> ./configure --enable-optimizations
> make altinstall
> rm /usr/src/Python-3.7.4.tgz
> python3.7 -V