A new JIT compiler, the first no-GIL edition of Python, better errors and typing enhancement, and the removal of dead batteries are all part of Python 3.13.

Take advantage of extension methods to add functionality to existing types without needing to modify or derive from those original types.

Master substring extraction in Python using slicing. A must-read guide for efficient string manipulation in programming.

This guide provides step-by-step instructions with examples how to extract a substring in Excel using various text functions.

Still using Excel for your data analysis? Learn how to leverage Python so you can work with larger datasets and automate repetitive tasks.

substring_between_letters () takes a string named _word_, a single character named _start_, and another character named _end_. This function should return the substring between the first occurrence of ...

Learn how Mypy's type checking works with functions and generators. In my last two articles I've described some of the ways Mypy, a type checker for Python, can help identify potential problems with ...