Task: Program Execution
Input (English): [13, -5, -90, -83, 21, -44, -37, 98, 77, 27, -45, 39, -29]
Output (English): [4.0, -47.5, -86.5, -31.0, -11.5, -40.5, 30.5, 87.5, 52.0, -9.0, -3.0, 5.0]