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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] ...Save, Compile, Run (ctrl-enter) | 
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Difficulty: 266.0
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