Task: Program Execution
Input (English): [50, 35, -36, 67, 44, -98, 0, -57, 40, -41, -46, -55]
Output (English): [42.5, -0.5, 15.5, 55.5, -27.0, -49.0, -28.5, -8.5, -0.5, -43.5, -50.5]