????? ????? ?? ??? ?? ?? ??? ?? ?? ??? ??? ??? ?? ? ??? ????? ?? ? ??? ??? ????? ??? ??? ??? ?? ??? ???. ????? ? ?????. ??? ??? ?? ??? ???? ???? ???? ??? ?? ????? ??. ? ???? ? ????? ?? ? ????.This perform requires a Python item and optional parameters for slicing and returns the start, prevent, step, and slice duration with the asked for slice.Lear