Task: Program Execution
Input (English): [29, 48, -25, 40, 66, -16, -22, 11, -29, 44, -66, 70, -43]
Output (English): [38.5, 11.5, 7.5, 53.0, 25.0, -19.0, -5.5, -9.0, 7.5, -11.0, 2.0, 13.5]