Task: Program Execution
Input (English): [-28, -99, 42, -32, -31, 67, 13, 77, 73, 58, 92, 19, -40, 88, 88]
Output (English): [-63.5, -28.5, 5.0, -31.5, 18.0, 40.0, 45.0, 75.0, 65.5, 75.0, 55.5, -10.5, 24.0, 88.0]