Task: Program Execution
Input (English): [-31, -21, 36, -80, -98, 68, 71, -77, -85, 4, 57, -28]
Output (English): [-26.0, 7.5, -22.0, -89.0, -15.0, 69.5, -3.0, -81.0, -40.5, 30.5, 14.5]