Task: Program Execution
Input (English): [-26, -25, 46, -86, -74, -81, -21, -16, 63, 91, -53, -72]
Output (English): [-25.5, 10.5, -20.0, -80.0, -77.5, -51.0, -18.5, 23.5, 77.0, 19.0, -62.5]