The Python 3 Standard Library by Example

The Python 3 Standard Library contains hundreds of modules for interacting with the operating system, interpreter, and Internet–all extensively tested and ready to jump-start application development. Now, Python expert Doug Hellmann introduces every major area of the Python 3.x library through concise source code and output examples. Hellmann’s examples fully demonstrate each feature and are designed for easy learning and reuse.You’ll find practical code for working with text, data structures, algorithms, dates/times, math, the file system, persistence, data exchange, compression, archiving, crypto, processes/threads, networking, Internet capabilities, email, developer and language tools, the runtime, packages, and more. Each section fully covers one module, with links to additional resources, making this book an ideal tutorial and reference.The Python 3 Standard Library by Example introduces Python 3.x’s new libraries, significant functionality changes, and new layout and naming conventions. Hellmann also provides expert porting guidance for moving code from 2.x Python standard library modules to their Python 3.x equivalents.1. Manipulate text with string, textwrap, re (regular expressions), and difflib2. Use data structures: enum, collections, array, heapq, queue, struct, copy, and more3. Implement algorithms elegantly and concisely with functools, itertools, and contextlib4. Handle dates/times and advanced mathematical tasks5. Archive and data compression6. Understand data exchange and persistence, including json, dbm, and sqlite7. Sign and verify messages cryptographically8. Manage concurrent operations with processes and threads9. Test, debug, compile, profile, language, import, and package tools10. Control interaction at runtime with interpreters or the environment