Task: Program Execution
Input (English): [-45, -58, 72, -79, 35, -98, 86, -61, 40, -71, 74, -9, -32]
Output (English): [-51.5, 7.0, -3.5, -22.0, -31.5, -6.0, 12.5, -10.5, -15.5, 1.5, 32.5, -20.5]