My new ebook “Comprehending Comprehensions” is on pre-sale and 40% off!

Mathspp Blog

A blog dedicated to mathematics and programming!

This blog has a really interesting assortment of articles on mathematics and programming. You can use the tags to your right to find topics that interest you, or you may want to have a look at

You should also subscribe to the blog newsletter.

Today I learned what precision Python floats have.

Today I (re)learned how to delete a file in Python with the module pathlib.

Today I learned how to edit multiple lines in the VS Code code editor.

How do you create a Python package? How do you set up automated testing and code coverage? How do you publish the package? That's what this article teaches you.

This is the written version of my EuroPython 2022 lightning talk “Smoosh all the things”.

This is the most obfuscated “Hello, world!” program I have ever seen!

In this article we go over the most obscure “Hello, world!” Python program I have ever seen.

Learn about the dunder method __init__, responsible for initialising class instances.

This is an introduction to dunder methods in Python, to help you understand what they are and what they are for.

This article explains how to extend the JSON format by using a custom encoder and a custom decoder to turn arbitrary Python objects into JSON and back.

Today I finished learning how to use a custom JSON decoder to convert JSON to arbitrary Python objects.

Today I learned how to do custom JSON decoding in Python with the module json.

Today I learned how to do custom JSON encoding in Python with the module json.

Today I learned how to use JavaScript functions in PyScript.

Today I learned about PyScript, a tool that lets you run Python in your HTML!

Today I learned how to use rich for beautiful tracebacks in the REPL and how to use it to log prettier exceptions.

Today I learned how you can do beautiful console logging by using the module rich.

Here is how you can commit only part of a file with git.

This is the story of how I started contributing to open source and, in particular, how I tackled issue #2073 of the well-known Python library rich, by Will McGugan.

Learn how to do code syntax highlighting in PowerPoint!