A set of (alphabetically ordered) implementations of some of the algorithms discussed in Tim Roughgarden's online course (highly recommended if you haven't taken it). These were a 2020 lockdown project. I haven't provided a lot of explanatory text but hopefully these might be helpful for someone.
https://www.coursera.org/specializations/algorithms
https://timroughgarden.org/videos.html
NB. All code in this repository is provided for educational purposes only, with absolutely no warranty explicit, implied, or otherwise.