Task: Program Execution
Input (English): [-69, -72, 39, 52, -97, 14, 47, -41, 27, -79, 96, -30, -78, 36, -74]
Output (English): [-70.5, -16.5, 45.5, -22.5, -41.5, 30.5, 3.0, -7.0, -26.0, 8.5, 33.0, -54.0, -21.0, -19.0]