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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.
very funny a code
Thank you for your comment. Indeed
reduce
is so powerful it can easily replace all other array methods.your
fromRoman
method is insanely clever, well done!reduce
is very powerfulpretty clever, well done!.. my refactored solution has a slightly better performance since it doesn't use nested loops.
😶
wow, this one is very clever. Well done!