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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.
Needs random test cases
Nice kata, but needs some random test.
Needs more tests, especially random.
I like the kata, but think it needs a clearer description.
I think you should add some random tests.
Description needs polishing up.
Needs more test cases and some description.
Python
The description asks for the output to be prefixed with '£', while all the tests' results are prefixed with '$'.