Task: Program Execution
Input (English): [-91, -78, 53, -38, 45, 29, -19, -92, 27, 4, -81, 84, 99, -28]
Output (English): [-84.5, -12.5, 7.5, 3.5, 37.0, 5.0, -55.5, -32.5, 15.5, -38.5, 1.5, 91.5, 35.5]