Valid keys, multiple ways to create, default values, view objects — The dictionary is one of the language’s most powerful data types. In other programming languages and computer science in general, dictionaries are also known as associative arrays. They allow you to associate one or more keys to values. In this article, I’ll share some beyond the basics tips and tricks…

One way or another, you’ll stumble upon these — In software, there are many lessons to be learned from experience. I had to learn the following nine lessons the hard way! 1. The Cheapest, Fastest, and Most Reliable Components Are Those That Aren’t There Gordon Bell once said this. The lesson to draw here is that you should keep a system or piece of software as simple as you possibly can. Reduce…

Bundle your application into one runnable file that you can share — Most will agree that Python is easy to learn and write. When it comes to sharing that beautiful code, there’s one problem, though! Sharing your program with someone that doesn’t know Python is a challenge Your fellow Pythonistas will be perfectly able to pip install your package or run a…

Learn more about the unknown database used by billions — When people in our profession think of a database, many will think of Oracle, MySQL, Postgresql, perhaps? But what about the database that is used more than all the others combined? Let’s talk about SQLite! What is SQLite? SQLite is a library that implements a SQL database engine. …

Does your code look like crap? There’s still hope. — I’ve seen too much code in my career that was written so badly that I had to throw it away and redo the entire project. And the most painful fact is that this code was not written by beginners either! Chances are, much of your code: looks like crap, is…

Do yourself a favor and learn this one properly once and for all — Creating loops is a common task for programmers, and the Python range function offers an easy-to-use but important tool when creating for-loops. Python has the for loop, which requires some kind of iterable object that returns its elements one by one. This article will closely examine the Python range function…

try.. except.. else.. finally — Python exception handling is the process of identifying and responding to errors in a program. In other words, it is a way to deal with errors that might occur in your program. In this article, you will learn how to handle errors in Python by using the try and except…

It knows more than just programming languages — We’ve all read about Github Copilot by now, I assume. If you haven’t, here’s the TL;DR… Github Copilot is an AI-based autocomplete on steriods for developers What surprised me most is that this thing doesn’t just know programming languages. …

Apply these tricks in your Python code to make it more concise and performant — Here are eight neat Python tricks, some I’m sure you haven’t seen before. Apply these tricks in your Python code to make it more concise and performant! To learn Python properly, please have a look at my Python Course for beginners! 1. Sorting Objects by Multiple Keys Suppose we want to sort the following list of…