Task: Program Execution
Input (English): [-22, -69, -65, -89, -17, 30, 51, -17, -81, -91, 70, -48, -53, 21, 0]
Output (English): [-45.5, -67.0, -77.0, -53.0, 6.5, 40.5, 17.0, -49.0, -86.0, -10.5, 11.0, -50.5, -16.0, 10.5]