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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.
Thanks. I just changed the code to uppercase all the input letters.
Thanks!
Thanks a lot for your comment! I just added more test cases as you suggested. Thanks!
Great kata!