Task: Program Execution
Input (English): [-21, 13, 42, 12, 48, 35, -98, -25, -7, 21, 35, -24, -45]
Output (English): [-4.0, 27.5, 27.0, 30.0, 41.5, -31.5, -61.5, -16.0, 7.0, 28.0, 5.5, -34.5]