Task: Program Execution
Input (English): [47, 55, -52, -57, -15, 74, -54, 12, -80, 35, 11, -4, 37, 65]
Output (English): [51.0, 1.5, -54.5, -36.0, 29.5, 10.0, -21.0, -34.0, -22.5, 23.0, 3.5, 16.5, 51.0]