yu-lu

import os, time, random
from collections import defaultdict
from System import Console, ConsoleColor, ConsoleKey
from System.Threading import Thread, ThreadStart

class Screen(object):
    red = ConsoleColor.Red; green = ConsoleColor.Green; blue = ConsoleColor.Blue;black = ConsoleColor.Black
    dimension = (21,39)
    def __update_input(self):
        mapping = defaultdict(lambda: None,