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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.
The random tests call your
compose
function 100 times. As with the example tests, there are multiple assertions which check the validity of the string returned by your codeThe instruction mentions 100 random tests, but there are way more than 100 tested!