Task: Program Execution
Input (English): [80, 37, -74, 20, -50, -10, -89, -39, -48, -17, 80, 100]
Output (English): [58.5, -18.5, -27.0, -15.0, -30.0, -49.5, -64.0, -43.5, -32.5, 31.5, 90.0]