Python Essentials: Modernize existing Python code and plan code migrations to Python using this definitive guide

Введение в книгу : Description This book is designed for Python 2 developers who want to get to grips with Python 3 in a short period of time. It covers the key features of Python, assuming you are familiar with the fundamentals of Python 2. What you will learn Use Python interactively and master the art of writing efficient Python scripts Learn techniques for working with string data, including how to use regular expressions to parse strings Get to know how the shortcircuit and ifelse logic operators work Explore mutable data structures including list, set, and dict Define functions with positional and optional parameters, and learn to use keyword argument values when calling a function Write generator functions, generator expressions, and comprehensions Master the use of exceptions for handling errors and other unexpected conditions Understand the importance of working with files, context manager, and the with statement