Task: Program Execution
Input (English): [57, 46, -3, -7, 66, -72, 7, -93, -71, -40, -61, -69, -84, 23, 60]
Output (English): [51.5, 21.5, -5.0, 29.5, -3.0, -32.5, -43.0, -82.0, -55.5, -50.5, -65.0, -76.5, -30.5, 41.5]