Task: Program Execution
Input (English): [-77, 94, 51, 80, -79, 12, 24, -31, 11, -68, 26, 49, -57]
Output (English): [8.5, 72.5, 65.5, 0.5, -33.5, 18.0, -3.5, -10.0, -28.5, -21.0, 37.5, -4.0]