Python internals - lets talk about dicts

title	Python internals - let's talk about dicts
date	2019-09
authors	Dominik Czarnota
conference	PyConPL 2019 Pykonik Tech Talks
resources	label url Slides https://docs.google.com/presentation/d/1jVhSF_YnR-z0_1ftsQWjluYZxiaq2xDX3kSouDbccP8 label url Recording https://www.youtube.com/watch?v=KOVgbnGvGTg

This talk explores corners of the Python dictionary data structure. It discusses quirks with dictionary key hashing, flaws of overriding dicts and how to do it properly, demonstrates the missing magic method, and shows ways to update a dict without overriding its keys. It also explains issues regarding hashing of mutable values.