Task: Program Execution
Input (English): [59, -99, 42, 43, 80, 47, -34, 2, 95, -4, -70, 41, 37, -20, -67]
Output (English): [-20.0, -28.5, 42.5, 61.5, 63.5, 6.5, -16.0, 48.5, 45.5, -37.0, -14.5, 39.0, 8.5, -43.5]