安装相关依赖
sudo apt update
sudo apt install build-essential zlib1g-dev libncurses5-dev libgdbm-dev libnss3-dev libssl-dev libsqlite3-dev libreadline-dev libffi-dev curl libbz2-dev下载Python 源码
wget https://mirrors.aliyun.com/python-release/source/Python-3.9.6.tgztar -xf Python-3.9.6.tgz
cd Python-3.9.6编译构建Python
./configure --enable-optimizations
make -j 2
make altinstall替换为默认Python
sudo ln -sf /usr/local/bin/python3.9 /usr/bin/python
python --version
