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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 think you missed the clever bit of this solution. The original title is transformed before producing the title list. So
word if word in minor_wordsstill produces a capitalized first word.This comment is hidden because it contains spoiler information about the solution