Task: Program Execution
Input (English): [-63, -77, 57, -35, 17, -80, 13, 29, -50, 84, 25, 77]
Output (English): [-70.0, -10.0, 11.0, -9.0, -31.5, -33.5, 21.0, -10.5, 17.0, 54.5, 51.0]