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Array-2 > shiftLeft
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Return an array that is "left shifted" by one -- so {6, 2, 5, 3} returns {2, 5, 3, 6}. You may modify and return the given array, or return a new array.

shiftLeft([6, 2, 5, 3]) → [2, 5, 3, 6]
shiftLeft([1, 2]) → [2, 1]
shiftLeft([1]) → [1]

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public int[] shiftLeft(int[] nums) { }


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