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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.
I'm pretty sure the expanded form of 0 would be "0", you leave it out when it's used to show other numbers' significance because saying +0 doesn't mean anything when you have a non-zero value.
Thanks for bringing this to my attention. The commas on CW leaderboard page are new. I updated the test cases to account for commas, previous solutions are invalidated.
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Well seen, done. Thanks!
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