Task: Program Execution
Input (English): [-39, -70, -70, 14, -23, 55, 99, -82, -98, -69, -35, 31]
Output (English): [-54.5, -70.0, -28.0, -4.5, 16.0, 77.0, 8.5, -90.0, -83.5, -52.0, -2.0]