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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.
hey there, ive passed the challenge, but I cannot submit my answer
Not only duplicate - the testcases don't work, see my wrong solution;-)
This comment is hidden because it contains spoiler information about the solution
would love a solution to this as well, i am having the same problem...