Task: Program Execution
Input (English): [0, -39, -70, 0, -7, 62, -66, 54, 8, 58, -48, 57]
Output (English): [-19.5, -54.5, -35.0, -3.5, 27.5, -2.0, -6.0, 31.0, 33.0, 5.0, 4.5]