Fluent Python 2e example code

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