Task: Program Execution
Input (English): [86, -61, 53, -47, 31, -60, 42, -73, -5, -40, -91, 55, -77, -67, -84]
Output (English): [12.5, -4.0, 3.0, -8.0, -14.5, -9.0, -15.5, -39.0, -22.5, -65.5, -18.0, -11.0, -72.0, -75.5]