For anyone interested, advent of code is about to start! (first puzzles dropping at midnight ET which is in around 11 hours)
We have a community in the instance at [email protected] for discussion about the event and that will have solution threads where you can post and compare against other people
Advent of code is a programming puzzle advent calendar where new puzzles drop every day until the 25th. They can be done in any language and puzzles are released on the AoC site