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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.
It expects a string
"nil"not thenilvalue.it's calling mine wrong, when mine meets the requirements described in the instructions. 1 comes back 1, 6815 comes back 68-1-5 - if there are "weird cases" you should say what those are in the instructions. otherwise it's like YOU'RE cheating.