MAZE (can you spot the bug?)

maze.py

MAZE_DRAWING = """


###################################
###################################
###########################
##                 ######## #######
## ########### ############ #######
## ########### ############ #######
## ###########              #######
        ###########################
###################################
###################################
###################################
###################################

""".strip().splitlines()

MAZE = [[c == " " for c in row] for row in MAZE_DRAWING]

# print MAZE


def where_can_i_go(maze, x, y):
    """ returns a tuple of bolleans (north, east, south, west) """
    return (
             y > 0 and maze[y - 1][x],
             x < len(maze[0]) - 1 and maze[y][x + 1],
             y < len(maze) - 1 and maze[y + 1][x],
             x > 0 and maze[y][x - 1]
             )


def main(maze):
    x = 0
    y = 0
    while not maze[y][x]:
        y += 1
    while True:
        print "Where would you like to go today: ",
        n, e, s, w = where_can_i_go(maze, x, y)
        if n:
            print "North",
        if e:
            print "East",
        if s:
            print "South",
        if w:
            print "West",
        print "?"
        direction = raw_input()
        if direction == "n":
            y -= 1
        if direction == "s":
            y += 1
        if direction == "w":
            x -= 1
        if direction == "e":
            x += 1
        if x == len(maze[0]):
            print "KOL HAKAVOD!"
            break
        
main(MAZE)