Time Complexity in Python Programming

This is an article about time complexity in Python programming. In it we explore what is meant by time complexity and show how the same program can be dramatically more or less...

Python Memoization

Improving the efficiency of Python Programs Using Memoization Some of you may be familiar with the Fibonacci sequence, which is famous in both mathematics and computer programming. The sequence is formed by...

Python Programming Challenge – Intervals of Consecutive Characters

Python Programming Challenge – Intervals of Consecutive Characters Here’s a fun Python programming challenge: Write a function which takes a string as input and returns a list of tuples containing the start...

Classic Snake Game with Python

This article will show you how to code the classic Snake Game with Python. Stop press! I now have an in depth video course on building the Classic Snake Game available on...

A Key Distinction for Better Understanding of Computer Science GCSE and A Level

Do you mean the thing or the container for the thing? In this article I want to discuss a key distinction which crops up again and again throughout Computer Science GCSE and...

We Need to Talk About Pseudocode

Pseudocode for Computer Science GCSE and A Level Pseudocode for Computer Science GCSE and A Level is supposed to provide a way of describing algorithms which is simple, clear, unambiguous and language-agnostic....

Learning Bubble Sort for Computer Science GCSE and A Level

They say a picture is worth a thousand words, and that is probably true, IF you are ready to understand the picture! When this is the case, we often experience those wonderful...

Eight Queens Puzzle in Python

The Eight Queens Puzzle is a classic problem whose goal is to place 8 queens on an 8x8 chessboard in such a way that none of the queens share a row, column...

Generating Random Graphs in Python

Random Graphs in Python for A Level Computer Science and Beyond The jupyter notebook below shows an implementation of an algorithm for generating a random undirected, unweighted graph. The algorithm uses the...

Python Nested FOR Loops

Why do I Need Nested Loops in Python? Nested loops are a very important concept in Python programming and Computer Science, are used in many algorithms. For example sorting algorithms such as...

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Category: Algorithms