Task: Program Execution
Input (English): [-50, 83, 24, -83, 74, 25, 12, 80, -91, 97, -83, 22, -68, -75, 66]
Output (English): [16.5, 53.5, -29.5, -4.5, 49.5, 18.5, 46.0, -5.5, 3.0, 7.0, -30.5, -23.0, -71.5, -4.5]