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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.
Directions say
Don't worry it's always a string with two chars and return boolean true/false.and yet there is an example shown that contradicts this:10♥ => false or 10h => falseThere isn't really any novel aspect of this task. It's just checking to see if the input string is in a collection of strings.