首先， 自带的vim是不支持python的，安装vim-nox
apt install vim-nox
安装python3的依赖库， 不安装的话，leaderf安装扩张会报错
sudo apt-get install build-essential python3-dev libssl-dev libffi-dev libxml2 libxml2-dev libxslt1-dev zlib1g-dev
安装leaderf扩展
:LeaderfInstallCExtension
参考：
Debian -- Details of package vim-python3 in buster
linux安装库时报错error: command ‘x86_64-linux-gnu-gcc‘ failed with exit status 1_the kernel was built by: x86_64-linux-gnu-gcc (ubu-CSDN博客
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