Task: Program Execution
Input (English): [53, -14, 74, -1, -98, 31, -26, 21, 41, -87, 14, 46]
Output (English): [19.5, 30.0, 36.5, -49.5, -33.5, 2.5, -2.5, 31.0, -23.0, -36.5, 30.0]