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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.
FAIL!
yep, this one is incorrect
Actually, this solution is incorrect, and does not work in some tests. We need to compare strings, but compiler just compares pointers to memory location of that strings.