Task: Program Execution
Input (English): [-81, -68, 90, 70, 23, 15, 9, -47, -36, 35, -88, 30, -85, 15, -12]
Output (English): [-74.5, 11.0, 80.0, 46.5, 19.0, 12.0, -19.0, -41.5, -0.5, -26.5, -29.0, -27.5, -35.0, 1.5]