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Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
fixed. i missed that when i upgraded the tests to Ruby 3.0, as it is not explicitely stated in the description and "rank" has a specific meaning on Codewars (you have a hidden "rank score" integer on Codewars that you can see only using the API and that is distinct from your honor. the rank score only progresses when you solve katas, while honor can also be gained from translating and authoring, so the two are not always correlated).
You should not share your solution openly. This is including risk for who does not solved the kata. Use the spoiler button please.
Probably it's not the exact same code and you had an infinite loop and the other code hasn't.