Task: Program Execution
Input (English): [-49, -44, 35, -53, 69, 11, 0, -50, 82, 18, -17, 31, 11]
Output (English): [-46.5, -4.5, -9.0, 8.0, 40.0, 5.5, -25.0, 16.0, 50.0, 0.5, 7.0, 21.0]