Task: Program Execution
Input (English): [-7, -10, 34, -99, -96, -74, 89, -47, 31, 92, -54, 1, -32, 40, 53]
Output (English): [-8.5, 12.0, -32.5, -97.5, -85.0, 7.5, 21.0, -8.0, 61.5, 19.0, -26.5, -15.5, 4.0, 46.5]