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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.
that's not a crash though is it, but wrong answer?
presumably the last one
also note that you have a return statement above where you print out an array, if that triggers you won't see that array which is the same situation as before
that's not what the array was, that's what you printed. take greater care in what you print to see what the array was.