Task: Program Execution
Input (English): [-37, 76, -35, 6, -72, 89, -100, -9, -81, 73, 90, -20]
Output (English): [19.5, 20.5, -14.5, -33.0, 8.5, -5.5, -54.5, -45.0, -4.0, 81.5, 35.0]