In Python, some objects like strs or lists can sliced. For example, you can get the first element of...

Learn the ins and outs of comparison operator chaining, and especially the cases you should avoid.

Python-based calculations, especially those that use NumPy, can run much faster by using the Numba library.

In this video we implement an email spam classifier using NLTK (natural language processing toolkit) in Python. We use the bag of words (BOW) approach to building the model, after performing tokenizing, lemmatization / stemming, and removing stop words. You'll…

Few tips on how to write better code for data science using python and numpy. We use a custom case to show good patterns.

Python classes can have arbitrary attributes. How are they stored and how do they impact performance?

A complete guide to indexing DataFrames in pandas. If you use Python, this guide is for you! We use examples to answer questions like: What is pandas dataframe indexing? Why do we need it? And more!

In this step-by-step tutorial, you'll learn how to provide multiple constructors in your Python classes. To this end, you'll learn different techniques, such as checking argument types, using default argument values, writing class methods, and implementing…

Learn about how venvs, flake8, black, isort, pytest, commitizen, semantic-release, pre-commit hooks, and Github Actions work together!

Some unexpected output leads to an investigation into character encodings, Unicode, and a whole lot of flags.

Python classes can have arbitrary attributes. How are they stored and how do they impact performance?

Here is one small snippet that it’s very useful when dealing with quick scripts that perform slow tasks and can benefit from running in parallel. Enter the Futures Futures are a convenient ab…

In this Pydon't I show you why refactoring is important
and show you how to do it in little steps,
so that it doesn't become too overwhelming.

In this guide, learn how to validate email addresses in Python with email-validator - checking their syntax and deliverability in one method, as well as how to handle errors and extract meaningful messages through practical examples.

Your chart doesn't need that many colors. Here are ten ideas to reduce them in your data visualizations.

In this article we reimplement the built-in enumerate in the best way possible.

What is text classification? How does do text classifiers work? How can you train your own news classification models?

By Elham Nazif If you want to learn Python, there are a lot of great resources out there. But if you're specifically looking for the best online course to learn Python, then you've come to the right place. In this article, I present a list of awesome...

The ThreadPoolExecutor class in Python can be used to download multiple books from Project Gutenberg at the same time. This can dramatically speed-up the process compared to downloading books seque…