Task: Program Execution
Input (English): [100, -91, 17, 87, 32, 99, 74, 74, 9, -38, -96, -69, 68, -30, -51]
Output (English): [4.5, -37.0, 52.0, 59.5, 65.5, 86.5, 74.0, 41.5, -14.5, -67.0, -82.5, -0.5, 19.0, -40.5]