Task: Program Execution
Input (English): [-60, -49, -52, 6, 49, 22, 87, 81, -19, -69, 23, 40]
Output (English): [-54.5, -50.5, -23.0, 27.5, 35.5, 54.5, 84.0, 31.0, -44.0, -23.0, 31.5]