Thanks for the kata. Although it seemed an easy one, optimization and time efficiency was a nice challenge.

Thanks for the kata, it was a good refresher.

It was a good challenge and a nice kata. Thanks ## knotman90 ##

Thanks for the kata. I had to look over all the materials which I thought I knew very well. It was a good refresher and a nice challenge.

Thank you very much for this excellent kata. It took almost half of my day to solve this. Thanks to kata I refreshed my knowledge on the list comprehension, data structures, try except methods, etc. And I started to understand memoization and get to know definitely O(n) and its family :)
But at the end, it was so simple and it was just over there.
Thanks again # AlejandorLazaro # for this kata.