typeerror: 'nonetype' object is not subscriptable

Found insideThe book's five chapters cover tips and tricks, regular expressions, machine learning, core data science topics, and useful algorithms. Unlike other textbooks, this book begins with the basics, including essential concepts of probability and random sampling. The book gradually climbs all the way to advanced hierarchical modeling methods for realistic data. As a bonus, you will track your individual Python coding skill level throughout the book. Who should read this book? You are slightly beyond beginner-level in Python. Found insideThe second book in the bestselling Serpentwar series. With a unique IDE-centric approach and deep dive into the software's many nooks and crannies, this book will bring you up to speed quickly on everything Visual Studio 2015 has to offer. Found insideThis book introduces Python scripting for geographic information science (GIS) workflow optimization using ArcGIS. This book provides significant knowledge on innovative radio resource management schemes for satellite communication systems that exploit lower layer adaptivity and the knowledge of layer 3 IP QoS support and transport layer behavior. Found insideThe first book in the bestselling Serpentwar series. Provides information on the Python 2.7 library offering code and output examples for working with such tasks as text, data types, algorithms, math, file systems, networking, XML, email, and runtime. Found insideIn this book, you’ll explore techniques for doing this by learning everything from the basics of JavaScript through to the practices of clean code. Found insideIdeal for programmers, data scientists, and AI engineers, this book includes an overview of the machine learning process and walks you through classification with structured data. Found insideHis core message in Subscribed is simple: Ready or not, excited or terrified, you need to adapt to the Subscription Economy -- or risk being left behind. Found inside – Page 96Fortunately, we don't have to travel far: ipdb> n .. ipdb> n .. ipdb> n TypeError: 'NoneType' object is not subscriptable ... Found inside – Page 43... for example, as print(newL[0]) causes an error: TypeError: 'NoneType' object is not subscriptable Here, we demonstrate in-place list operations: L = [0, ... Along the way, readers will learn Python fundamentals - and by the book's end, they'll have a solid foundation in Python and some fun programs under their belt. Found inside... [-1] = helper Type Error: "NoneType' object is not subscriptable This is a strange error. What has happened? As I said swapz doesn't return anything. The beloved television series, Avatar: The Last Airbender, has won fans of all ages over the years. From Douglas Adams, the legendary author of one of the most beloved science fiction novels of all time, The Hitchhiker's Guide to the Galaxy, comes a wildly inventive novel—in trade paperback for the first time—of ghosts, time travel, ... Found insideUsing clear explanations, standard Python libraries and step-by-step tutorial lessons you will discover what natural language processing is, the promise of deep learning in the field, how to clean and prepare text data for modeling, and how ... Now, you can learn those same deep learning techniques by building your own Go bot! About the Book Deep Learning and the Game of Go introduces deep learning by teaching you to build a Go-winning bot. Found insideThis book will teach you the fundamentals of programming, how to organize code, and some coding best practices. By the end of the book, you will have a working game that you can play or show off to friends. Updated and revised, this 10th Anniversary Edition sequel to the blockbuster hit, Have You Filled a Bucket Today? This book explains: Collaborative filtering techniques that enable online retailers to recommend products or media Methods of clustering to detect groups of similar items in a large dataset Search engine features -- crawlers, indexers, ... Found inside – Page 95問 4-1(No.51)例外オブジェクトの把握☆以下のプログラムは 4 つのブロックに ... 'float' object is not subscriptable try: a = [100.0] print(a[-2]) except 2 as ... Found insideDeep learning is the most interesting and powerful machine learning technique right now. Top deep learning libraries are available on the Python ecosystem like Theano and TensorFlow. Found insideGet to grips with the basics of Keras to implement fast and efficient deep-learning models About This Book Implement various deep-learning algorithms in Keras and see how deep-learning can be used in games See how various deep-learning ... " - John Beauford (@johnbeauford) "I just wanted to let you know what an excellent book this is... I keep going back to your book to learn Python." - Fahad Qazi, London, UK "Thanks. Keep up the good work. Get started solving problems with the Python programming language!This book introduces some of the most famous scientific libraries for Python: * Python's math and statistics module to do calculations * Matplotlib to build 2D and 3D plots * ... Found insideThe second edition of this best-selling Python book (100,000+ copies sold in print alone) uses Python 3 to teach even the technically uninclined how to write programs that do in minutes what would take hours to do by hand. A companion Web site (http: //gnosis.cx/TPiP) contains source code and examples from the book. Here is some of what you will find in thie book: When do I use formal parsers to process structured and semi-structured data? Found insideData Science Using Python and R provides exercises at the end of every chapter, totaling over 500 exercises in the book. Readers will therefore have plenty of opportunity to test their newfound data science skills and expertise. Found insideThe third book in the bestselling Serpentwar series. Through the step-by-step instruction and exercises in this book, you'll cover such topics as the design of collection classes with polymorphism and inheritance, multiple implementations of collection interfaces, and the analysis of the ... Found inside – Page iThis book provides the straightforward answers you need so you can get up to speed quickly and get back to work. Written by a Lisp expert, this is the most comprehensive tutorial on the advanced features of Lisp for experienced programmers. Found insideThorsten and Isaac have written this book based on a programming course we teach for Master's Students at the School of Computer Science of the University of Nottingham. Introduction to Programming Using Python is intended for use in the introduction to programming course. Daniel Liang is known for his “fundamentals-first” approach to teaching programming concepts and techniques. What new game will you create with the power of Python? The projects in this book are compatible with Python 3. This fast-paced introduction to Python moves from the basics to advanced concepts, enabling readers to gain proficiency quickly. This book teaches you everything you need to know about slicing in Python. As a bonus, you will track your individual Python coding skill level throughout the book. Who should read this book? Businesses everywhere are recognizing the need to be more customer-focused, but struggle to see how. Do you want to take your Python to the next level? After reading this book, readers will understand these problems, and more importantly, understand how to correct them. Found insideNot anymore. Gray Hat Python explains the concepts behind hacking tools and techniques like debuggers, trojans, fuzzers, and emulators. Found insideReinforcement learning is a self-evolving type of machine learning that takes us closer to achieving true artificial intelligence. This easy-to-follow guide explains everything from scratch using rich examples written in Python. Sit back, relax, and make your turtle army do the work! The book provides the full code needed to write each program and walks you through it line by line, explaining how things work along the way. Wry, humorous and insightful, A Free Man is an unforgettable portrait of an invisible man in his invisible city, and an extraordinary human story. Found insideLearning how to program shouldn’t be dry and dreary. With Scratch Programming Playground, you’ll make a game of it! 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