Task: Program Execution
Input (English): [29, 38, -89, -84, 82, -45, -18, 49, -59, 14, 90, -52, -60, 16, -29]
Output (English): [33.5, -25.5, -86.5, -1.0, 18.5, -31.5, 15.5, -5.0, -22.5, 52.0, 19.0, -56.0, -22.0, -6.5]