Task: Program Execution
Input (English): [-4, -73, -88, 98, 21, -27, 64, 17, 20, -82, -52, -46, 24, -69, -3]
Output (English): [-38.5, -80.5, 5.0, 59.5, -3.0, 18.5, 40.5, 18.5, -31.0, -67.0, -49.0, -11.0, -22.5, -36.0]