Task: Program Execution
Input (English): [-2, 99, -72, -1, 4, -95, 53, 77, -93, -67, -20, 87, 89, -56, 38]
Output (English): [48.5, 13.5, -36.5, 1.5, -45.5, -21.0, 65.0, -8.0, -80.0, -43.5, 33.5, 88.0, 16.5, -9.0]