Task: Program Execution
Input (English): [-42, 87, 58, -15, 13, -57, -41, 89, 84, -78, -81, 22]
Output (English): [22.5, 72.5, 21.5, -1.0, -22.0, -49.0, 24.0, 86.5, 3.0, -79.5, -29.5]