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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.
Wow, this is an excellent and thorough assessment. Thanks.
I think the biggest issue is the input parameters. They should be reformulated so they are more cohesive (as per #1 and #3). Second issue I noticed was #4. That should be as an explicit instruction in the "Task" section.
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If both have 0 length it should return true. Both arrays are the 'same' - that is to say they have no elements.