Task: Program Execution
Input (English): [80, 40, -81, -45, -56, -99, -98, 37, 48, 31, 95, 46]
Output (English): [60.0, -20.5, -63.0, -50.5, -77.5, -98.5, -30.5, 42.5, 39.5, 63.0, 70.5]