Task: Program Execution
Input (English): [-10, -66, 20, 99, 6, 71, 54, -9, -77, 27, 69, 56]
Output (English): [-38.0, -23.0, 59.5, 52.5, 38.5, 62.5, 22.5, -43.0, -25.0, 48.0, 62.5]