Task: Program Execution
Input (English): [-83, -26, -74, -91, -23, -73, -90, 1, -59, -43, 53, -71]
Output (English): [-54.5, -50.0, -82.5, -57.0, -48.0, -81.5, -44.5, -29.0, -51.0, 5.0, -9.0]