from collections import namedtuple

Direction = namedtuple('Direction', 'Left Up Diagonal Stop')
Direction.Stop = "stop"
Direction.Left = "left"
Direction.Up = "up"
Direction.Diagonal = "diagonal"


def get_directions(match, insert, delete, maximum):
    options = [(insert, Direction.Left), (match, Direction.Diagonal), (delete, Direction.Up)]
    return [d[1] for d in options if d[0] == maximum]