Task: Program Execution
Input (English): [21, 21, 53, 72, -22, 6, -48, -30, 43, 20, -54, -59, -95]
Output (English): [21.0, 37.0, 62.5, 25.0, -8.0, -21.0, -39.0, 6.5, 31.5, -17.0, -56.5, -77.0]