Task: Program Execution
Input (English): [-58, -59, -14, 94, 84, 25, -91, 63, -70, 17, 63, -20]
Output (English): [-58.5, -36.5, 40.0, 89.0, 54.5, -33.0, -14.0, -3.5, -26.5, 40.0, 21.5]