In the last post introducing Python, I demonstrated how to make a simple app using variables and conditional statements. In order to do anything really powerful in a given programming language though, ...

This Python tutorial explains how functions work and why they are essential for writing reusable, organized code. The lesson begins with creating a basic function using the def keyword, calling it, ...

Building an AI agent can start with surprisingly little code. Python basics, an LLM API, a few tools, and a defined task are often enough for an early ...

Read an excerpt from the 4th Edition of the book Python Essential Reference by David Beazley. Excerpt from Python Essential Reference, 4th Edition. Substantial programs are broken up into functions ...