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 complaints about ...

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 ...

In the following example, we loop through a list of numbers, and use the variable digit to hold each number in turn: Strings in Python are considered “sequences” — they can be iterated over, and the ...

Interested in learning Python but don't know where to start? I'll walk you through the basics of the ever-popular programming language step-by-step. In an hour or so, you'll go from zero to writing ...

Python.Org is the official source for documentation and beginner guides. Codecademy and Coursera offer interactive courses ...