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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.
strArr is an array when you split stringOfInts so the placement of the integers into the new array sumNums is redundent and is an extra for loop that does not need to occur.