Task: Program Execution
Input (English): [11, 73, 72, -73, -52, -81, -50, -4, 71, -33, -19, -60, 4]
Output (English): [42.0, 72.5, -0.5, -62.5, -66.5, -65.5, -27.0, 33.5, 19.0, -26.0, -39.5, -28.0]