The for loop construction in Python easily iterates over a collection of items. Here’s what you need to know to use it well.

In the early days of C, you’d occasionally see someone — probably a former Pascal programmer — write something like this: #define BEGIN { #define END } This would usually initiate… ...

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 perfo… ...