This post is based on https://github.com/bkamins/Julia-DataFrames-Tutorial
First, enter this in your command line if you are using a Mac:
open -a Finder ~/Library/Jupyter/kernels
You’ll see kernels -> julia-XX. For example, kernels -> julia-1.6. Open the julia-1.6, you’ll see kernel.json. Open it. As BogumiĆ recommended, …