linux安装Python3.8环境卸载旧python

前提条件 首先,连接网络(不会可转到===>linux虚拟机连接网络),并且搭建网络yum源。 cd /etc/yum.repos.d/ rm -rf * wget http://mirrors.163.com/.help/CentOS7-Base-163.repo yum clean all yum makecache 安装环境 yum install gcc patch libffi-devel python-devel zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-d