3.9版本
https://www.python.org/downloads/release/python-3918/
下载Gzipped source tarball
将下载的文件放入/temp下
tar xvzf Python-3.9.18.tgz
cd Python-3.9.18
./configure --enable-optimizations
make altinstall安装完成后验证一下是否安装成功
/usr/local/bin/python3.9 --version
/usr/local/bin/pip3.9 --version通过设置软链接简化命令输入
ln -sf /usr/local/bin/python3.9 /usr/bin/python3.9
ln -sf /usr/local/bin/pip3.9 /usr/bin/pip3.9