Task: Program Execution
Input (English): [-89, -9, -14, -28, 41, 44, 86, 40, 75, 30, -1, 86]
Output (English): [-49.0, -11.5, -21.0, 6.5, 42.5, 65.0, 63.0, 57.5, 52.5, 14.5, 42.5]