Task: Program Execution
Input (English): [-77, -52, 64, 34, -9, 29, -91, 90, 8, -87, 34, 1, -8]
Output (English): [-64.5, 6.0, 49.0, 12.5, 10.0, -31.0, -0.5, 49.0, -39.5, -26.5, 17.5, -3.5]