Linux笔记-Centos7将python2升级为python3（及修改yum配置防报错）
安装各种依赖：yum install make gcc gcc-c++yum install libffi-devel -yyum -y install zlib*下载Python3.7.8并安装mkidr pythonwget https://www.python.org/ftp/python/3.7.8/Python-3.7.8.tgztar -xf Python-3.7.8.tgzcd Python-3.7.8/./configure --with-sslmakemak
