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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.
Hey, I don't know what am I doing wrong, but when I submit my code it tells me it took longer than 12 seconds to run. But when I tried it on my pc it didn't take a second..