Task: Program Execution
Input (English): [-30, -31, 75, 43, 12, -78, 39, 74, 69, -92, -23, -22]
Output (English): [-30.5, 22.0, 59.0, 27.5, -33.0, -19.5, 56.5, 71.5, -11.5, -57.5, -22.5]