Task: Program Execution
Input (English): [53, -84, -22, -31, 76, -78, 4, 68, -67, -78, -82, -53, -8]
Output (English): [-15.5, -53.0, -26.5, 22.5, -1.0, -37.0, 36.0, 0.5, -72.5, -80.0, -67.5, -30.5]