Task: Program Execution
Input (English): [-49, -89, -20, 98, -56, 43, -75, 26, -1, 82, -85, 11]
Output (English): [-69.0, -54.5, 39.0, 21.0, -6.5, -16.0, -24.5, 12.5, 40.5, -1.5, -37.0]