For those who learn better from videos, here's a 37 minute Pycon 2017 talk that covers all of the major aspects of Python dictionaries including how they became

For those who learn better from videos, here's a 37 minute Pycon 2017 talk that covers all of the major aspects of Python dictionaries including how they became ordered and compacted, how object dictionaries share keys, why full hashes are stored, how the probing sequence works, when resizing occurs, etc. https://www.youtube.com/watch?v=npw4s1QTmPg https://www.youtube.com/watch?v=npw4s1QTmPg