<Spoiler Alert - Anyone at < Level 24 in Python Challenge may not want to read this post!>
I have never used generators before but I might have now found a use for them. I have written a recursive function to solve a 640x640 maze but it crashes, due to exceeding the stack. The only way around this I can think of is to use Generator but I have no idea how to. The function is as below: def solve_maze(x,y): if y <= 0: success = 1 elif x <= 0 or x > 640 or y >= 640: success = 0 elif maze_array[x][y] == 1: success = 0 elif im.getpixel((x,y)) == (255, 255, 255, 255): success = 0 else: maze_array[x][y] = 1 if solve_maze(x,y-1) == 1: success = 1 elif solve_maze(x+1,y) == 1: success = 1 elif solve_maze(x-1,y) == 1: success = 1 else: success = solve_maze(x,y+1) if success == 1: print im.getpixel((x,y)) return success #Main wibble = solve_maze(x,y) -- http://mail.python.org/mailman/listinfo/python-list