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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.
yup, it divides and it mods at the same time ;)
Very bloody clever, dude. I've never seen divmod before.
This truly is a beautiful solution. I am particularly intrigued by the nested list comprehension, gonna need to write it out as a set of for loops to grok it in fullness, I think, but I would definitely not object to one of you discussing it at length. :)