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Python Programming in 2026
Python looks the same on the surface, but almost everything underneath has changed. This book brings you up to speed on Python 3.13/3.14, the free threaded build, uv, and the tools working engineers actually use today, with runnable examples in every chapter.
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About
About the Book
Python Programming in 2026 is a complete, modern regrounding in Python, written for developers who are new to the language, returning to it after a few years away, or arriving from another ecosystem such as Java, JavaScript, C#, Go, or Rust.
Across twelve chapters, you will move from today's release landscape (Python 3.13 and 3.14, the free threaded build, and the rise of uv) through language fundamentals, core data structures, static typing, object oriented and functional patterns, error handling, concurrency and parallelism, testing and quality tooling, data and API work, real application architecture, performance and native interop, and Python's expanding role in the AI era.
Every chapter is built around runnable examples, not just syntax explanations. You will see the reasoning behind each design choice and pick up the modern tools working engineers reach for daily: uv, ruff, pyright, pytest, httpx, typer, and FastAPI. By the final page, you will be able to read a modern Python codebase without hesitation, reason clearly about which concurrency model fits a given problem, ship a typed package to PyPI, and build a small LLM backed service that holds up under real conditions.
Whether you are starting fresh, coming back after time away, or bringing experience from another language, this book is meant to be read once and kept close as a working reference.
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About the Author
SouthStone Publications
The founder of SouthStone Publications draws on more than twenty years in IT and cybersecurity, bringing that depth of experience into everything he writes. At heart, he's a technologist through and through: part enthusiast, part researcher, part engineer, part technical leader, having grown up alongside the internet itself and evolved right along with it.
His career sits at the crossroads of system design and cybersecurity, approached from both the offensive and defensive sides of the discipline. Over the years, he has built a reputation for turning complex, often intangible technical knowledge into practical guidance that professionals can actually put to work.
He currently serves on the leaderships in engineering and cybersecurity team at a leading IT services company in its industry, where he relentless studies emerging AI technologies and also cyber threats while helping organizations navigate the risks already at their doorstep. His expertise spans an unusually wide range of disciplines, consists of security engineering and development, project management, application security, infrastructure security, vulnerability management, reverse engineering, penetration testing, security architecture, incident response, and threat hunting and intelligence. He is equally at home diagnosing a flawed system architecture from the ground up, dissecting a sophisticated piece of malware, or leading red team operations against live threats - moving fluidly between granular technical detail and big-picture strategy in a way that few in the field can match.
Besides his astounding professional career experiences, he has partners with subject matter experts with backgrounds in technical writing, focused on AI, IT and security education, producing technical books and training programs that have helped countless developers, analysts, and practitioners build more resilient systems. That same dedication to clarity, rigor, and real-world relevance defines his work with SouthStone Publications, where deep technical expertise meets a mission to make security knowledge accessible, actionable, and built to be sustainable, lasting and progressive. SouthStone Publications is the first publisher of Cybersecurity category books in LeanPub.
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