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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.
I passed all the tests, but when I try to attempt my code it say's that the vector content should stay the same, cant understand what I'm doing wrong
After testing it shows expected result totally similar as an actual but still don't accept it, does somebody knows where can be the problem?