Task: Program Execution
Input (English): [-67, 97, 77, -68, 88, -20, -2, -19, 43, -47, -46, 35, 4, 11, 84]
Output (English): [15.0, 87.0, 4.5, 10.0, 34.0, -11.0, -10.5, 12.0, -2.0, -46.5, -5.5, 19.5, 7.5, 47.5]