Task: Program Execution
Input (English): [73, -32, -75, 39, -10, -15, 90, -89, -56, 40, -66, -89, -34]
Output (English): [20.5, -53.5, -18.0, 14.5, -12.5, 37.5, 0.5, -72.5, -8.0, -13.0, -77.5, -61.5]