jupyter notebook 安装代码提示功能

1.安装jupyter扩展插件Nbextensions库
python -m pip install jupyter_contrib_nbextensions
jupyter contrib nbextension install --user --skip-running-check

2.打开jupyter notebook, 在网页中显示
---->Nbextensions
---->Hinterland //选中它
----> 重启jupyter即可代码补全