Task: Program Execution
Input (English): [55, 46, -46, 83, -29, 9, -70, -21, -79, 96, 24, -89, -49]
Output (English): [50.5, 0.0, 18.5, 27.0, -10.0, -30.5, -45.5, -50.0, 8.5, 60.0, -32.5, -69.0]