Task: Program Execution
Input (English): [60, -21, -22, 44, -46, 97, 51, -17, 89, -6, 1, -38]
Output (English): [19.5, -21.5, 11.0, -1.0, 25.5, 74.0, 17.0, 36.0, 41.5, -2.5, -18.5]