Task: Program Execution
Input (English): [59, 50, -9, -53, 75, -79, 15, -44, 43, 90, 67, 68, -25]
Output (English): [54.5, 20.5, -31.0, 11.0, -2.0, -32.0, -14.5, -0.5, 66.5, 78.5, 67.5, 21.5]