Python Loops and Flowcharts

In this lesson we are going to learn how to convert between Python code and flowchart representations of loops when designing algorithms. Consider the following code. As with most code examples in...

Introduction to Data Science with Python

The ability to make sense of data is more important than ever in today’s complex world. Data is everywhere, and being able to interpret it empowers us to make effective decisions, as...

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Computer Science Pedagogy

This post is a work in progress where I will collect pedagogical tips about teaching Computer Science distilled from my 15+ years’ teaching experience. They are phrased as advice to teachers, but...

Here’s a simple program in Python that demonstrates some important fundamental concepts in computer programming. The program simulates two players taking it in turns to roll a 6-sided dice, and keeps track...

User Login with Python and SQLite

In this lesson you will learn how to create a basic login script with Python and SQLite. SQLite is ideal for small-scale data-driven Python applications. It is a lightweight, self-contained, serverless database...

Coins on a Star Puzzle with p5.js

Here’s a fun puzzle for you, which I have implemented online using the fantastic p5.js library for creative coding. The goal is to place as many coins on the board as possible...

Python Programming Challenge – Validate ISBN-10 Number

ISBN Numbers, or International Standard Book Numbers are commercial numeric book identifiers which are used to uniquely identify a publication. There are two types of ISBN numbers – ISBN-10 and ISBN-13. Validation...

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...

Python Trace Tables

The ability to trace the values of variables during program execution is a great aid in ensuring your code is doing what it is supposed to do and in avoiding logic errors...

Visualizing Bubble Sort with p5.js

Click on the canvas to refresh the animation I wanted to make a visualization for an algorithmic problem involving backtracking when I noticed the solution was remarkably similar to Bubble Sort. As...

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Category: Computer Science