Task: Program Execution
Input (English): [-28, 22, 62, -33, -33, 32, 79, -17, 4, -28, 23, 39, 7, 3, -39]
Output (English): [-3.0, 42.0, 14.5, -33.0, -0.5, 55.5, 31.0, -6.5, -12.0, -2.5, 31.0, 23.0, 5.0, -18.0]