Task: Program Execution
Input (English): [-58, 41, -72, 86, -40, 61, -41, -33, 27, -32, 34, -6, -29, 36, 53]
Output (English): [-8.5, -15.5, 7.0, 23.0, 10.5, 10.0, -37.0, -3.0, -2.5, 1.0, 14.0, -17.5, 3.5, 44.5]