Working with files in Python is pretty easy. But there’s a common mistake that can sneak into your code. Not closing the file ...

Map is a common way to transform lists in most programming languages. In Python, map is a function that loops over a list and applies a function (that you provide) to each item. Your function receives ...

We’ve long used f-strings in Python to conveniently format variables in a string. Python 3.14 introduces an even more advanced feature in this vein, template strings as defined in PEP 750.

Are you ready for Python Pi? The 3.14 beta is out now, and we’ve got the rundown on what’s so great about it, including the new template strings feature, or “f-strings with superpowers.” ...