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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 ended up solving it this way, but i don't understand why this doesn't return 0. if we are recursively calling n-1 wont the function continue until n < 1?
loved this kata! spent about 20 minutes towards the end realizing that i needed to convert to float for the last few tests. haha.