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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.
You can print the input.
My code worked on all of the test cases, but some of the other cases for the attempt were still wrong. Are there any other 'markers' like www that are included in the basic test cases but not in the final one?