Just get the extension: https://jupyter-contrib-nbextensions.readthedocs.io/en/latest/nbextensions/scratchpad/README.html https://jupyter-contrib-nbextensions.r

Just get the extension: https://jupyter-contrib-nbextensions.readthedocs.io/en/latest/nbextensions/scratchpad/README.html https://jupyter-contrib-nbextensions.readthedocs.io/en/lates... there are quite a few very useful ones, my favourite being collapsible headings: https://jupyter-contrib-nbextensions.readthedocs.io/en/latest/nbextensions/collapsible_headings/readme.html https://jupyter-contrib-nbextensions.readthedocs.io/en/lates...