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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.
What language?
Your result is correct so it's an issue with the tests (unless actual and expected are swapped, which is also a testing issue, but a different one).
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why not use ceil?
why increment move to function?