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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.
Me too. I think my solution is correct.
The Best Solution! EVER!!!
This is not an issue with the kata, this is an issue with your code. The input that you're failing on is not
123, look more closely.This comment is hidden because it contains spoiler information about the solution