All the references and links regarding my PyCascades 2022 talk.

Today I gave a Python 🐍 talk at @pycascades.

I took the attendees through a journey of inspecting plenty of different (crazy) implementations of the simple sign function!

I had a blast πŸ₯³

Here are the links to the talk slides, the written version of the talk, and more!

A collage of funny reactions and nice feedback from my talk.
Some feedback and live reactions I got.

Huge shout-out to the @pycascades organisers for creating such a wonderful and inclusive conf for everyone!

Interacted quite a bit w/ @AetherUnbound and she was always very helpful!

Also, thanks to @MaggieFero, @questionlp, @gizm0_0, @bengerman13 & others for the feedback.

The written version of the talk can be found on my blog πŸ‘‡

It doesn't match the talk 100%, but the overall flow is pretty much the same!

The talk slides are available on GitHub ( and the recording will be put up on YouTube soon-ish.

Btw, the #1 question I get is regarding what I use to create my slide animations πŸ˜‚ It's Power Point '19 + the slide transition called "morph".

The (free) Python 🐍 book that teaches you how to use some of the things I mention during the talk, like

  • Truthy and Falsy values; or
  • conditional expressions

can be found at

Plus, all the article references for the talk:


I REALLY hope you enjoyed the talk... I know I love talking about Python!

If you know of any Python conferences or meetups looking for speakers, drop me a line! Either DM me here or send me an email to rodrigo at mathspp dot com!

Other than that, I'll see you around πŸ˜‰


I hope you learned something new! If you did, consider following the footsteps of the readers who bought me a slice of pizza πŸ•. Your small contribution helps me produce this content for free and without spamming you with annoying ads.

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