There's a fundamental rule of Python... That `itertools.tee` breaks! In a couple of hours, I'm sending a deep dive to 11,000+ email subscribers to help them understand how `tee` is able to do what it does! Check the link in my profile to subscribe and to get the deep dive too!

@mathsppblog Have you ever found a real-world use case for `itertools.tee`?

@ThePythonPlace `pairwise`. And then they added it to the std library :D

@mathsppblog Ah yes. Indeed…