Python Context Managers: The Magic Behind the ‘with’ Statement
You already use them all the time: Python Context Managers. This with block is a Context Manager. It guarantees that f.close() is called when the…
Understanding if __name__ == ‘__main__’: What Does It Mean in Python?
You’ve seen this weird block of code, often starting with “if name == main“, at the bottom of almost every professional Python script: What is…
How to Fix: SettingWithCopyWarning in Pandas
This isn’t technically an error (your code usually still runs), but if you’ve encountered the SettingWithCopyWarning, it’s a giant red warning that means “You might…
Git for Python Developers: A Beginner’s Guide to Version Control
Have you ever broken your code and wished you could just hit “Undo” to go back to yesterday’s version? Or perhaps you accidentally deleted a…
Stop Using Print: A Beginner’s Guide to Python Logging
When your code breaks, your first instinct is probably to add print("HERE!") or print(variable) to see what’s happening. This Python Logging Guide will help you…
Python Try-Except Blocks: Handling Errors Gracefully
You’ve seen plenty of errors by now: ValueError, TypeError, ZeroDivisionError. In Python, Try Except can be used to handle these errors gracefully. Normally, when these…
Python Virtual Environments (venv): A Beginner’s Survival Guide
As you start building more projects (like our Flask App or Calculator), you will inevitably start installing lots of third-party libraries using pip. This is…
