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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.
Probably need
return fib(n,arrayer,indexer)looks like you need to work out the difference between printing and returning a result (or something along that line): your function returns only if n is 6.