I haven't upgraded to JupyterLab 4 because the plugins that I use to make jupyter lab IDE-like (jupyterlab-git, jupyterlab-vim, jupyterlab-lsp) need to all be s

I haven't upgraded to JupyterLab 4 because the plugins that I use to make jupyter lab IDE-like (jupyterlab-git, jupyterlab-vim, jupyterlab-lsp) need to all be stable on the new version first. But, yeah, you can develop python software in Jupyterlab if that makes sense for you.