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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 am getting a failed test case " 35999 should equal None "
my program is working fine dealing with whitespaces and any other character, and 35999 is a solution for 09:59:59 so why is the test failing?
@raulbc777 by sam logic 10020 have two groups '1002' and '0020', then why 10020 is not part of your final list?