Task: Program Execution
Input (English): [48, 91, -47, -31, 9, -4, 19, -81, 83, 74, -82, 79, -64, -14]
Output (English): [69.5, 22.0, -39.0, -11.0, 2.5, 7.5, -31.0, 1.0, 78.5, -4.0, -1.5, 7.5, -39.0]