In article <mailman.11074.1402880950.18130.python-list at python.org>, Chris Angelico <rosuav at gmail.com> wrote: > I guess if you have a list of Numbers that are all the same type, you > can probably sum them, but you can sum non-Numbers too. The docstring > is a bit vague - sure, it's a number, but what can you do with it? You can use it to count to three!