Sample Jupyter Notebook Extension created for the Creating a Jupyter Notebook Extension — Part 1 blog post.
The instructions below will allow you to setup your development environment to create an extension and continue to edit the code for the extension.
$ conda create --name jupyterexperiments python=3.7 $ conda activate jupyterexperiments $ conda install -c conda-forge jupyter_contrib_nbextensions
$ pip show jupyter_contrib_nbextensions
Copy code into this folder and can edit from here! eg /Users/username/anaconda3/envs/jupyterexperiments/lib/python3.7/site-packages/jupyter_contrib_nbextensions/nbextensions
$ jupyter nbextension install planet_jupyter
$ jupyter nbextension enable planet_jupyter/main