Task: Program Execution
Input (English): [91, -34, 67, 22, -48, -33, -53, -29, -89, 18, 77, -87, 49, -69, -44]
Output (English): [28.5, 16.5, 44.5, -13.0, -40.5, -43.0, -41.0, -59.0, -35.5, 47.5, -5.0, -19.0, -10.0, -56.5]