This is a comprehensive summary of a mediocre 🌿 branch book. The primary argument of the book is that it is worth it to become a generalist in the modern world. The author, David Epstein, uses the word ‘Range’ to describe this generalist quality; the rest of the book goes into the various ways range-y individuals beat out specialists. You should not buy this book, it is not worth your time; you should read this summary and then subscribe to Epstein’s newsletter. I’ll explain more at the end. Read more about book classifications here.

This assumes that you have no Jupyter notebooks in your repository yet or all your notebooks are “clean” (i.e. stored without outputs).

avoid
def append_to_list(element, list_to_append=[]):
list_to_append.append(element)
return list_to_append

do if list_to_append is None:
list_to_append = []