Task: Program Execution
Input (English): [76, 42, 43, -66, -66, -81, -57, 86, -57, 80, 26, -38, 74]
Output (English): [59.0, 42.5, -11.5, -66.0, -73.5, -69.0, 14.5, 14.5, 11.5, 53.0, -6.0, 18.0]