1、下载Python官网（https://www.python.org/downloads/）对应的安装包，选择3.9.16的linux版本
wgethttps://www.python.org/ftp/python/3.9.16/Python-3.9.16.tgz
2、解压tgz包
tarzxvfPython-3.9.16.tgz-C/opt
3、创建Python-3.6.5安装目录
mkdir/usr/local/python3
4、安装依赖包
yuminstall-ygcczlib*zlib-develbzip2-developenssl-develncurses-develsqlite-develreadline-develtk-develgdbm-develdb4-devellibpcap-develxz-devel
5、配置安装路径
cd/opt/Python-3.9.16/ ./configure--prefix=/usr/local/python3--with-ssl
6、编译
make
7、安装
makeinstall
8、建立软链接
ln-s/usr/local/python3/bin/python3/usr/bin/python3ln-s/usr/local/python3/bin/pip3/usr/bin/pip3
9、修改配置文件/etc/profile，增加以下内容：
PATH=$PATH:/usr/local/python3/bin
执行语句source /etc/profile使环境变量配置立即生效