| Feature | 1st Edition (2015) | 2nd Edition (2022) | | :--- | :--- | :--- | | | 3.4 / 3.5 | 3.10+ (3.11 compatible examples) | | Asyncio | Basic coverage | Entire new chapter (async/await, tasks, runners) | | Type Hints | Zero | Full guide to typing , Protocol , TypedDict | | Pattern Matching | Doesn't exist | Deep dive into match/case | | Data Classes | Only namedtuple | dataclasses , attrs , Pydantic | | Memory Views | Simple arrays | memoryview & array for high-performance computing |
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The true is the official GitHub repository: github.com/fluentpython/example-code-2e . Clone it. Run it. Study it. Between that repo, the free YouTube talks, and a legal borrowing from your library, you will learn more Python than 90% of developers who download a frozen PDF and never open it again. | Feature | 1st Edition (2015) | 2nd