Task: Program Execution
Input (English): [48, 90, -18, -19, 58, 97, -90, 47, 12, 37, -70, -89]
Output (English): [69.0, 36.0, -18.5, 19.5, 77.5, 3.5, -21.5, 29.5, 24.5, -16.5, -79.5]