Task: Program Execution
Input (English): [83, -90, -68, -70, 49, 30, 17, -85, 88, 91, -92, 59, 89, -100, -83]
Output (English): [-3.5, -79.0, -69.0, -10.5, 39.5, 23.5, -34.0, 1.5, 89.5, -0.5, -16.5, 74.0, -5.5, -91.5]