Task: Program Execution
Input (English): [47, 28, -56, -34, -52, 23, 46, -44, 25, 90, 74, 98, -17, -19, -75]
Output (English): [37.5, -14.0, -45.0, -43.0, -14.5, 34.5, 1.0, -9.5, 57.5, 82.0, 86.0, 40.5, -18.0, -47.0]