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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.
today i learned sprintf can do a lot more things than i assumed !
...and this has 8 Best Practices votes ?
This comment is hidden because it contains spoiler information about the solution
I'm very sad to see people upvoted this as best practices and clever, is that the kind of thing you want to see on this site ?
(Finding it funny is one thing, voting it best practice is another)