Task: Program Execution
Input (English): [-75, 68, -2, -46, -77, -97, -74, 15, 31, 31, -16, -79]
Output (English): [-3.5, 33.0, -24.0, -61.5, -87.0, -85.5, -29.5, 23.0, 31.0, 7.5, -47.5]