Task: Program Execution
Input (English): [-48, 89, 99, -68, -34, -90, -20, 27, 40, 81, -50, 33]
Output (English): [20.5, 94.0, 15.5, -51.0, -62.0, -55.0, 3.5, 33.5, 60.5, 15.5, -8.5]