Python from Beginner to Mastery

This book is a Python tutorial in Tsinghua University Press's Software Development Video Lecture Hall series, aimed at readers from zero foundation to intermediate level, teaching the various technologies needed for Python programming in a progressive, step-by-step manner. The book is divided into four parts and 22 chapters in total: the Fundamentals part begins with an introduction to Python and setting up a development environment, then systematically covers core syntax such as language basics, operators and expressions, flow-control statements, lists and tuples, dictionaries and sets, and strings; the Intermediate Advancement part covers regular expressions, functions, object-oriented programming, modules, exception handling and program debugging, and file and directory operations; the Advanced Applications part covers database operations, GUI programming, Pygame game programming, web crawler development, processes and threads, network programming, and web programming with the Flask framework; the Project Practice part uses the "e-travel website" as a complete case study, linking requirements analysis with module implementation to demonstrate the development process of a web application from setup to launch. All knowledge points in the book are explained with concrete examples, the program code is accompanied by detailed comments, and 235 high-definition instructional micro-videos and electronic PPT teaching plans are included, forming a three-in-one learning approach of "read the book, watch the videos, type the code," suitable as a self-study tutorial or a reference textbook for relevant university courses.