Task: Program Execution
Input (English): [64, 13, 88, -99, -78, -76, -49, -69, 65, -52, 1, -18, -100, 21, -57]
Output (English): [38.5, 50.5, -5.5, -88.5, -77.0, -62.5, -59.0, -2.0, 6.5, -25.5, -8.5, -59.0, -39.5, -18.0]