for child in root:
            if level < 1:
                level = 1
            for child2 in child:
                if level < 2:
                    level = 2
                for child3 in child2:
                    if level < 3:
                        level = 3
                    for child4 in child3:
                        if level < 4:
                            level = 4
                        for child5 in child4:
                            if level < 5:
                                level = 5