下载python安装包

https://www.python.org/ftp/python/

解压到Linux

解压路径 /usr/local

编译

su root

chmod u+x * python3.7

./configure --prefix=/usr/local/python3.7

make

make install

建立软连接

切换到路径 /usr/bin

ln -s /usr/local/bin/python3.7 /usr/bin/python37

查看当前python版本

ls -atl python*

到工程下创建虚拟环境

python37 -m venv --system-site-packages ./program