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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 last test from Numbers tests. It uses two conditions in where statements as logical OR instead of logical AND.
Please update the description of the task accordingly.
A Functional Programming kata with array mutation!
That's weird.
Don't waste your time on it!