Task: Program Execution
Input (English): [50, -30, -75, 27, 50, -97, 53, 81, -86, 77, -55, -67, 34]
Output (English): [10.0, -52.5, -24.0, 38.5, -23.5, -22.0, 67.0, -2.5, -4.5, 11.0, -61.0, -16.5]