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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.
your
fromRomanmethod is insanely clever, well done!reduceis very powerfulpretty clever, well done!.. my refactored solution has a slightly better performance since it doesn't use nested loops.
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wow, this one is very clever. Well done!