Task: Program Execution
Input (English): [-57, -37, -11, -10, -77, 56, -4, -97, -52, -87, 92, -86, 83, -46, 72]
Output (English): [-47.0, -24.0, -10.5, -43.5, -10.5, 26.0, -50.5, -74.5, -69.5, 2.5, 3.0, -1.5, 18.5, 13.0]