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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 Python test strings do not conform to the specified test parameters:
Whereas the test strings contain letters as well.
Tests on JS are completely broken. :/
There don't seem to be any test cases for JavaScript prior to submission at all.