Python Core Notes

Python Core Notes is a set of Python learning materials widely circulated online, usually compiled by training instructors or experienced developers, presenting core Python knowledge from beginner to advanced levels in the form of "notes." Circulating versions vary in length, commonly around two hundred-plus pages. The main text usually consists of two major parts, basic and advanced topics. The basic part covers data types (lists, tuples, strings, dictionaries, sets), conditional and loop statements, functions and functional programming (higher-order functions, map/reduce/filter, anonymous functions, closures, decorators, partial functions), object-oriented programming, modules and packages, file and directory operations, exception handling, and unit testing. The advanced part extends to regular expressions, processes, threads, and coroutines, HTTP services and network programming, commonly used standard and third-party libraries, and design patterns (such as the singleton pattern). The material's characteristic is that it explains one knowledge point thoroughly in a single section, with a clear structure and concise length, accompanied by many runnable example codes; key content is often highlighted with prominent marks. It is therefore often used by beginners as a "quick reference for getting started" or as course handouts. It should be noted that Python Core Notes is not a book published by a formal publisher; versions differ in source, chapter arrangement, and page numbers. Its depth is moderate, and it was compiled relatively early, so some examples may still be based on Python 2 or older versions. When reading, check the syntax against the current official documentation.