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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.
Basically you need to check if it's a string or not
Where we may start with
And we want it to be short
Knowing an important fact that
it
would never benull
, then we could tell by accessing unique properties on String, likeThat's it, we just pick the shortest one o_O