Task: Program Execution
Input (English): [47, -58, -28, -2, -30, 11, 83, -49, 76, 87, -58, 79, -3]
Output (English): [-5.5, -43.0, -15.0, -16.0, -9.5, 47.0, 17.0, 13.5, 81.5, 14.5, 10.5, 38.0]