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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.
True that, but while elegancy is rather subjective, I am not so sure it helps efficiency-wise to enumerate and get TWO values instead of one.
It is also true that efficiency-wise I could have used and xrange, but I keep forgetting that, being used to Pyhon 3 ;)