Task: Program Execution
Input (English): [-20, -25, 1, 59, 42, -3, -28, -30, -89, -34, 83, -1]
Output (English): [-22.5, -12.0, 30.0, 50.5, 19.5, -15.5, -29.0, -59.5, -61.5, 24.5, 41.0]