Task: Program Execution
Input (English): [17, -67, -21, 34, 83, -11, -18, 19, 61, 60, 18, -62, -37, 50, -99]
Output (English): [-25.0, -44.0, 6.5, 58.5, 36.0, -14.5, 0.5, 40.0, 60.5, 39.0, -22.0, -49.5, 6.5, -24.5]