Task: Program Execution
Input (English): [-99, -12, 55, -65, 7, 82, 50, 68, -14, -9, 57, -89]
Output (English): [-55.5, 21.5, -5.0, -29.0, 44.5, 66.0, 59.0, 27.0, -11.5, 24.0, -16.0]