Task: Program Execution
Input (English): [20, -23, 86, -57, 24, -98, 51, 35, 79, -46, -50, 13]
Output (English): [-1.5, 31.5, 14.5, -16.5, -37.0, -23.5, 43.0, 57.0, 16.5, -48.0, -18.5]