Task: Program Execution
Input (English): [-97, -56, -15, 51, -42, -85, 66, -10, -74, 99, 61, -3, -87]
Output (English): [-76.5, -35.5, 18.0, 4.5, -63.5, -9.5, 28.0, -42.0, 12.5, 80.0, 29.0, -45.0]