Task: Program Execution
Input (English): [-31, 99, 38, -57, -99, 19, 25, -18, 77, -75, -97, -97]
Output (English): [34.0, 68.5, -9.5, -78.0, -40.0, 22.0, 3.5, 29.5, 1.0, -86.0, -97.0]