Compucademy

The Stack Data Structure in Python

The stack is a wonderfully simple data structure which despite its simplicity makes many powerful algorithms possible. Some of the uses for a stack data structure in software development are: The Depth-First...

2-Dimensional Lists in Python

2-dimensional lists are an extremely important data structure in Python programming, with many applications. They can be very confusing to begin with, and you should make sure you are confident and competent...

Python Sets and a River Crossing Puzzle

Have you heard of the puzzle about the farmer, the wolf, the goat and the cabbage? You can play it here (click the “run” button to start): There are many different ways...

Node Class for a Linked List with Object Oriented Python

When you come to study Data Structures such as Stacks, Queues, Linked Lists and Binary Trees for A Level Computer Science, you will often make use of Object Oriented Programming. That is...

Graphs in Python for A Level Computer Science

Part 1 – Networkx Basics networkx is a powerful python package that allows you to easily work with graphs in Python. Combining it with the matplotlib.pyplot package even makes it simple to...