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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.
I had this same issue and tracked down the problem. I had assumed that steps had to be between adjacent primes, but that is not the case.
A note on my own answer: I got lucky that this actually worked. I made a mistake in that
Enum.find/2
should have beenEnum.any?/2
.I see a lot of devs using String.graphemes, which is probably smarter if you're dealing with unicode characters, emojis, etc... The requirements in this test are simply strings a-z, so this does actually satisfy the requirement.