Task: Program Execution
Input (English): [-17, 73, -25, -67, 56, -30, -98, -65, -57, 35, -17, 64, 99]
Output (English): [28.0, 24.0, -46.0, -5.5, 13.0, -64.0, -81.5, -61.0, -11.0, 9.0, 23.5, 81.5]