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    This comment is hidden because it contains spoiler information about the solution

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    This comment is hidden because it contains spoiler information about the solution

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    First off what language are you testing this in? Second if you could post your solution and mark it as having spoiler content maybe I could help?

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    TypeError: number is not a function
    at Test.it
    at Test.describe
    not sure what that error means? I tested my solution outside of the Codewars environment and it works as it should and it sums up the numbers in an array and give me the mean of those numbers.