Our solutions


  1. You get to discover solutions that you might not have thought of.
  2. You get our opinionated insights about the concepts that were used.
  3. You can reach us directly by email if need be. We are happy to provide any help regarding the exercises and their solutions. We usually reply within 24 hours.
  4. You help us keep the exercices free for everyone, on a blazing-fast, highly-available website. Check out our status page.
  5. You help us continuously improve the existing exercises and their solutions.

Get a sample for free

See it for yourself: download a sample. The sample .zip file contains 3 PDFs (3 solutions to 3 exercises), exactly as they appear in the original .zip file.


Your purchase includes a .zip file containing 92 files:

Release date

Summer 2021.