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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.
hi! Could you please tell me, why should we substract '1' from queue.index('wolf') ? Because, as I understand, we have already substructed expression itself ( queue.index('wolf') ) from len(queue). Or it is like we are getting just '0' from queue.index('wolf') - 1 and then just substracting '0' itself from the whole list ?