Task: Program Execution
Input (English): [-81, -57, 50, -83, -52, 55, 24, 70, -47, 34, 15, 40]
Output (English): [-69.0, -3.5, -16.5, -67.5, 1.5, 39.5, 47.0, 11.5, -6.5, 24.5, 27.5]