Task: Program Execution
Input (English): [58, 53, -49, -41, -48, -19, -86, 95, -3, -77, -52, 1, -37]
Output (English): [55.5, 2.0, -45.0, -44.5, -33.5, -52.5, 4.5, 46.0, -40.0, -64.5, -25.5, -18.0]