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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.
I would agree. In the instructions, you state that a passing case is "WeIrD StRiNg CaSe" which counts spaces when capitalizing even indices. However, your test case seems to ignore spaces as counting as even indices.
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