Task: Program Execution
Input (English): [12, -67, 88, 48, 78, 69, -68, 77, 6, -58, 77, 69, -15]
Output (English): [-27.5, 10.5, 68.0, 63.0, 73.5, 0.5, 4.5, 41.5, -26.0, 9.5, 73.0, 27.0]