2.Centos7相关Python安装
编译Python3.9.21,进入https://www.python.org/ftp/python/3.9.2/选择相应的python版本2.安装 python 前的库环境yum install gcc patch libffi-devel python-devel zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gdbm-devel db4-devel libpc
