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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.
added to JS, closing as this does not specify languages
Non issue without more elements. Please give some arguments (and of course, language).
Language?
Raised as an issue
Added random test cases. See if your solution still works.
This comment is hidden because it contains spoiler information about the solution