Task: Program Execution
Input (English): [20, 58, 50, -22, 56, -44, -19, 100, -77, -28, 59, 2]
Output (English): [39.0, 54.0, 14.0, 17.0, 6.0, -31.5, 40.5, 11.5, -52.5, 15.5, 30.5]