Task: Program Execution
Input (English): [83, -90, 4, -75, -6, 18, -3, -57, 12, -28, 13, 68, -81]
Output (English): [-3.5, -43.0, -35.5, -40.5, 6.0, 7.5, -30.0, -22.5, -8.0, -7.5, 40.5, -6.5]