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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.
Thanks eventualy realised my mistakes, 1 being that i was only checking if the value was in the ofther array excluding the fact of duplicates and the other that if both arrays were empty i returned false.
Thanks for the help ^^
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This comment is hidden because it contains spoiler information about the solution