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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.
Codewars sometimes confuses you a lot. 378 passes 29 fails using binary search but passes without binary search. FACEPALM
This solution doesn't work in Python 3.4.3
I haven't got problems with my code and it run correctly
This solution will timeout. Not recommended