Random Numbers with Python

Random numbers are very important in computing. Whenever you need to simulate something in the real world where the outcome is unknown, random numbers come into play. A classic example is their...

Python Loops

The ability to repeat tasks many times in rapid succession is one of the things which makes computers so useful. In programming, the technical word for repeating things is iteration. This is...

Selection Sort with Python

In this article we are going to learn how to implement Selection Sort with Python. Selection Sort is a simple and intuitive sorting algorithm. It can be performed using an auxiliary array...

How to Trace Python Algorithms with a Visualisation Tool

Understanding all the details of how an algorithm works can be challenging, and it is helpful to be able to perceive what is happening from multiple angles. One particularly useful tool to...

Number Placement Puzzle with Python

This post is about a fun puzzle called the number placement puzzle. I have provided an interactive console program that lets you explore it. I have also provided a couple of algorithms...

Morse Code with Python

In this article we will learn how to use Python programming to convert messages from English to Morse Code and vice versa. We will also learn how to play the Morse Code...

Plotting Polynomials with Python

I’ve been enjoying reading A Programmer’s Introduction to Mathematics by Jeremy Kun recently. After the introduction, the first main topic it covers is a neat trick for sharing secrets (encrypting messages) so...

Ransom Note HackerRank Challenge in Python

Image courtesy of Sheila Sund from Salem, United States, CC BY 2.0, via Wikimedia Commons. This Python programming challenge is adapted from a challenge on HackerRank called Ransom Note, which is part...

100 Doors Python Coding Challenge

In this lesson we are going to look at a fun coding challenge in Python called “100 Doors”. It’s a great challenge for developing algorithmic thinking and Python programming skills. Image courtesy...

Python Algorithm Challenge - Counting Pairs

Python Programming Challenge – Counting Pairs

Here’s a fun algorithmic challenge for you. Given a list of integers, write a function to find the total number of complete pairs contained in the list. For example: for the input...

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