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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 tried to solve it but I am having an undefined behaviour when testing, it always succeeds examples but when trying to attempt large scale test scenarios it sometimes fails the tests it made for the example test scenarios which were successful beforehand.Also when I re-attempt it ,it sometimes fails 3, sometimes 2 and sometimes 1 even though the code is untouched between attempts.