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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.
that's beside the point
the point of using spoiler flag is for the user to arrive at the answer on their own
Documentation says "if it contains code within it that might give the solution away to other users". If they can solve this based off of that code snippet, they're brilliant enough to deserve it.
Please use spoiler flag next time.
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Can you not just print out the inputs in the function to see them?
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The log appears above the test result, you're mixing them.
This comment is hidden because it contains spoiler information about the solution