Task: Program Execution
Input (English): [24, -15, -59, 82, -84, 54, -33, 88, -74, 57, -22, 1]
Output (English): [4.5, -37.0, 11.5, -1.0, -15.0, 10.5, 27.5, 7.0, -8.5, 17.5, -10.5]