# Fluent Python 2e example code

Example code for the book **Fluent Python, 2<sup>nd</sup> edition** by Luciano Ramalho (O'Reilly, 2021).

> **BEWARE**: This is a work in progress!
>
> * Code here may change and disappear without warning.
>
> * Major reorganizations may happen at any time.
>
> * No promises. No guarantees. Use at own risk.

## Table of Contents

All chapters are undergoing review and updates, including significant rewrites in the chapters about concurrency in **Part V**.

New chapters in **Fluent Python 2e** are marked with 🆕.

🚨 This table of contents is subject to change at any time until the book goes to the printer.

Part / Chapter #|Title|Directory|1<sup>st</sup> ed. Chapter&nbsp;#
---:|---|---|:---:
**I – Prologue**|
1|The Python Data Model|[01-data-model](01-data-model)|1
**II – Data Structures**|
2|An Array of Sequences|[02-array-seq](02-array-seq)|2
3|Dictionaries and Sets|[03-dict-set](03-dict-set)|3
4|Unicode Text versus Bytes|[04-text-byte](04-text-byte)|4
5|Data Class Builders|[05-data-classes](05-data-classes)|🆕
6|Object References, Mutability, and Recycling|[06-obj-ref](06-obj-ref)|8
**III – Functions as Objects**|
7|Funcions as First-Class Objects|[07-1class-func](07-1class-func)|5
8|Type Hints in Function Definitions|[08-def-type-hints](08-def-type-hints)|🆕
9|Function Decorators and Closures|[09-closure-deco](09-closure-deco)|7
10|Design Patterns with First-Class Functions|[10-dp-1class-func](10-dp-1class-func)|6
**IV – Object-Oriented Idioms**|
11|A Pythonic Object|[11-pythonic-obj](11-pythonic-obj)|9
12|Sequence Hacking, Hashing, and Slicing|[12-seq-hacking](12-seq-hacking)|10
13|Interfaces, Protocols, and ABCs|[13-protocl-abc](13-protocol-abc)|11
14|Inheritance: For Good or For Worse|[14-inheritance](14-inheritance)|12
15|More About Type Hints|[15-more-types](15-more-types)|🆕
16|Operator Overloading: Doing It Right|[16-op-overloading](16-op-overloading)|13
**V – Control Flow**|
17|Iterators, Generators, and Classic Coroutines|[17-it-generator](17-it-generator)|14
18|Context Managers and else Blocks|[18-with-match](18-with-match)|15
19|Concurrency Models in Python|[19-concurrency](19-concurrency)|🆕
20|Concurrent Executors|[20-executors](20-executors)|17
21|Asynchronous Programming|[21-async](21-async)|18
**VI – Metaprogramming**|
22|Dynamic Attributes and Properties|[22-dyn-attr-prop](22-dyn-attr-prop)|19
23|Attribute Descriptors|[23-descriptor](23-descriptor)|20
24|Class Metaprogramming|[24-class-metaprog](24-class-metaprog)|21
