Task: Program Execution
Input (English): [-100, 33, -61, 27, 72, 100, 13, 92, 78, -53, -70, -5, -86]
Output (English): [-33.5, -14.0, -17.0, 49.5, 86.0, 56.5, 52.5, 85.0, 12.5, -61.5, -37.5, -45.5]