Task: Program Execution
Input (English): [-70, -69, 97, -34, -19, 0, 75, 21, 74, 16, -12, 12, -9]
Output (English): [-69.5, 14.0, 31.5, -26.5, -9.5, 37.5, 48.0, 47.5, 45.0, 2.0, 0.0, 1.5]