height = int(raw_input('Height: '))
# Find nearest vertex to begin with
start = estimate_current_vertex(width, height)
m = detect_maze(start, width, height)
print 'Maze detected!'
name = raw_input('File name: ')
with open(name, 'w') as f:
f.write(repr(m))
print 'String representation saved.'
elif answer.upper() == 'B':
name = raw_input('File name: ')
with open(name, 'r') as f:
s = f.read()
m.parse(s)
start = raw_input('Starting point (input format is "x,y"): ')
finish = raw_input('Finish (input format is "x,y"): ')
s = start.partition(',')
f = finish.partition(',')
a = (int(s[0]), int(s[2]))
b = (int(f[0]), int(f[2]))
path = m.bfs(a, b)
run(path, m)
