Task: Program Execution
Input (English): [58, -2, -71, -17, 24, -8, 76, 19, -82, 99, -98, 33, 56]
Output (English): [28.0, -36.5, -44.0, 3.5, 8.0, 34.0, 47.5, -31.5, 8.5, 0.5, -32.5, 44.5]