If you’ve ever written any Python at all, the chances are you’ve used iterators without even realising it. Writing your own and using them in your programs can provide significant performance ...

Loops are a commonly used structure in programming that allows you to repeat a block of code a set number of times, or until you meet a particular condition. This is useful for many reasons. For ...

A list is a collection of variables. Let’s use the example of a string. A string is a variable that stores a string of alphanumeric characters and symbols. This is used to store such things as names ...

Editor's Note: This article has been updated since its original publication. It's been 20 years or more since I wrote my first few hundred lines of code in C, so it's about time I learned a more ...

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...