Task: Program Execution
Input (English): [3, -15, -43, -55, 0, 54, -7, 95, 80, 59, -48, 39]
Output (English): [-6.0, -29.0, -49.0, -27.5, 27.0, 23.5, 44.0, 87.5, 69.5, 5.5, -4.5]