Competitive Programming: How to Learn from Contests

General, yet also specific advice on why rating shouldn't matter, how you can learn from your mistakes in contests, and how you can upsolve effectively.

If you couldn't tell, I'm using the new microphone now :)

Things I said would be in the description:
Codeforces Visualizer: https://cfviz.netlify.app/virtual-rating-change.html
Original Codeforces blog on rating analysis: https://codeforces.com/blog/entry/79415
Spreadsheet with full data: https://docs.google.com/spreadsheets/d/1STSgYS3Y76Ourd_gNBWWIajro6dS7COAr9hD0dHOxT8/edit?usp=sharing

Some timestamps for the sections of the video:
Intro 00:00
Part 1 (value of contests) 00:48
Part 2 (rating, and dealing with rating loss) 04:25
Part 3 (analyzing and learning from failures) 10:06
Part 4 (upsolving effectively) 14:23
Outro 19:57