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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.
It is.
Because the number of times the element appears in each array has to be the same. If you square the elements in
a, you get[4, 4, 9],4appears inatwice, but only once inb; and9appears inaonly once, but it appears inbtwice.There is no bug. I don't even understand what you are talking about (what points to True??).
Do not raise issue so lightly, please refer to the documentation: https://docs.codewars.com/training/troubleshooting/