Task: Program Execution
Input (English): [25, -2, -89, -18, 21, 27, -11, -40, 38, 92, 85, -51, -89, -44, -19]
Output (English): [11.5, -45.5, -53.5, 1.5, 24.0, 8.0, -25.5, -1.0, 65.0, 88.5, 17.0, -70.0, -66.5, -31.5]