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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.
thats very smart way to write it i am like wowowow
wwoowwoowow thats super smart
i liked your way of using regex
really clever approach to such a tricky of logarithmic problem