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sumSecondTwo


public int sumSecondTwo(int[] nums)

Given an array, return the sum of the 2nd two elements.
(the sum of the 2nd and 3rd elements)


sumSecondTwo([1, 5, 6, 7]) → 11
sumSecondTwo([4, 7, 9, 6, 4, 5, 3, 1]) → 16
sumSecondTwo([0, 0, 1, 2, 3, 4, 5, 6, 7, 8]) → 1

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public int sumSecondTwo(int[] nums) { }

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