Task: Program Execution
Input (English): [70, 69, 66, -28, 38, 76, -97, -60, -16, -31, 86, -16, 47]
Output (English): [69.5, 67.5, 19.0, 5.0, 57.0, -10.5, -78.5, -38.0, -23.5, 27.5, 35.0, 15.5]