Have you ever found yourself lost in a big repository of Python code, struggling to keep track of the intended types of variables? Without the proper use of type hints and annotations, uncovering variable types can become a tedious and time-consuming task. Perhaps you’re an avid user of type hints but aren’t sure how to annotate methods that return self or other instances of the class itself. That’s the issue that you’ll tackle in this tutorial. First, though, you’ll need […]

In your Python journey, you’ll come across situations where you need to signal that something is going wrong in your code. For example, maybe a file doesn’t exist, a network or database connection fails, or your code gets invalid input. A common approach to tackle these issues is to raise an exception, notifying the user that an error has occurred. That’s what Python’s raise statement is for. Learning about the raise statement allows you to effectively handle errors and exceptional […]

Programming videos have become an increasingly popular medium for sharing knowledge and helping the fellow developers on your team. Especially when you’re working remotely, effective communication is vital, and screencasts have emerged as a powerful tool that meets this need. That’s why knowing how to make programming videos is a valuable skill, no matter where you are in your career. Even if you’ve never considered creating video content yourself, creating a screencast can be a great way to enhance written […]