Task: Program Execution
Input (English): [18, 46, -89, -30, 24, 60, 15, 77, 49, 27, 92, 37, -19]
Output (English): [32.0, -21.5, -59.5, -3.0, 42.0, 37.5, 46.0, 63.0, 38.0, 59.5, 64.5, 9.0]