Featuring Mike Pound. Jane Street skyscraper puzzle (and info on the AMP program) at https://bit.ly/computerphile-amp --- More below ↓↓↓ Hash Sets in Python work a little bit like the index of a book, giving you a shortcut to looking for a value in a list. Dr Mike Pound explains how they work and demos with some code. #Python #HashSet #Code #Computerphile Jane Street’s Academy of Math and Programming is now accepting applications for their summer 2024 program, which will run from June 29th-August 2nd in NYC... Or you can just check out the puzzle for fun too - https://bit.ly/computerphile-amp (episode sponsor) https://www.facebook.com/computerphile https://twitter.com/computer_phile This video was filmed and edited by Sean Riley. Computer Science at the University of Nottingham: https://bit.ly/nottscomputer Computerphile is a sister project to Brady Haran's Numberphile. More at https://www.bradyharanblog.com/ Thank you to Jane Street for their support of this channel. Learn more: https://www.janestreet.com/