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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.
I think I'm mutating array on accident, which is causing the test to fail.
I'm getting an odd error after running my attempt. For example, the Output says "Expected: '[66, 48, 'x']', instead got: '[66, 48, 43]'". I logged the array that was passed into the function and it was [66, 48, 43], so based on the instructions my answer should be right. This is happening for several test cases that the Ouput is stating it expected an array and several elements in that array are 'x'. I'd appreacite any help or explanation.