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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!
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Was it intended, I had to write the tests by myself? Kinda odd... I had to gather the information from other programming language versions to create the right test cases.
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well, the wording might be a bit edgy, yes. That's why there are examples. ;)
According to description everything is okay, what i mean is array difference sounds like a different thing, anyway thanks :)
Correction: you "don't understand why"... ;) Because you'd bet that with thausends of completions, the description and the examples are correct.
I don't think that the array difference of [1,2,2] from [2] is [1]. [1,2] seems the right answer? Am i thinking wrong?