Task: Program Execution
Input (English): [35, 33, -30, 69, -59, 10, 61, 7, 13, -23, 75, 89, -28, 49, -77]
Output (English): [34.0, 1.5, 19.5, 5.0, -24.5, 35.5, 34.0, 10.0, -5.0, 26.0, 82.0, 30.5, 10.5, -14.0]