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 ...

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 ...

Take dynamic typing as an example. It seems amazing at first: Python literally figures out by itself what sort of value a variable might take, and you don’t need to waste another line of code by ...