Task: Program Execution
Input (English): [-47, -33, 100, -10, -58, -35, -61, 20, 82, -53, -7, 16, 27, -33, -50]
Output (English): [-40.0, 33.5, 45.0, -34.0, -46.5, -48.0, -20.5, 51.0, 14.5, -30.0, 4.5, 21.5, -3.0, -41.5]