Task: Program Execution
Input (English): [20, -40, -63, 94, -53, -6, 18, 47, -18, -20, -94, 71, 17, 26]
Output (English): [-10.0, -51.5, 15.5, 20.5, -29.5, 6.0, 32.5, 14.5, -19.0, -57.0, -11.5, 44.0, 21.5]