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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.
The randoms can generate it.
just came here to post the same issue.
None of the tests check for a number plus itself for example
Test.assert_equals([1,2,3,4], 2), false
1 + 1 = 2 is true, but the number 1 only appears once, and should not be added to itself