Once you've mastered the basics of Python, how do you skill up to the top 1%? How do you focus your learning time on topics that yield the most benefit for production engineering and data teams—without getting distracted by info of little real-world use? This book answers these questions and more. Based on author Aaron Maxwell's software engineering career in Silicon Valley, this unique book focuses on the Python first principles that act to accelerate everything else: the 5% of programming knowledge that makes the remaining 95% fall like dominos. It's also this knowledge that helps you become an exceptional Python programmer, fast. Python has become the lingua franca of modern computing. The thesis of this book is that Python is the most important programming language in the world today…? with outsized rewards for those who master it. This book is designed to teach you techniques, patterns, and tools to permanently catapult your skill with everything Python has to offer. If you write Python code at least part of the time, this book will vastly amplify what you can accomplish, and increase the speed at which you do it. And slash the amount of time you spend debugging, too. This book is for you if you know the basics of Python, and have mastered just about everything the beginner tutorials can teach you. It is also for those who want to learn more advanced techniques and strategies, so you can do more with Python, and more with coding, than you could before.