Get started to use jupyter-lab

It’s more like the vscode on the web. 

It has extensions, like jupyterlab_vim, jupyterlab_code_formatter.

It has better looking than jupyter-notebook. (it even got dark mode)

It also remembers the last file that you opened. (actually, it remembers multiple tabs)

If you get used to it, you would also get used to Google’s colab.

One thing to notice is that all its extensions were written in typescript. (So javascript dominates the world, even if you use Python)

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