menu - VPython startMenu -

my main program bloxorz-type program working fine. issue have having implement system game shows message on screen if block falls off map, , gamefinished message on screen when block hits hole vertically. i'm thinking way work match coordinates of hole , if coordinates of hole match square-bases of block, show message. first real issue being able display startmenu message, display "press s start" , "press q quit". know how use scene.kb.getkey(), problem displaying text on screen, implement main while true loop. here code:

from __future__ import division, print_function visual import * import math, sys visual.graph import * sys import exit """necessary python libraries"""   # top, left, bottom, right, front, tlbrfb = ( 2.0, -0.5, 0.0, 0.5, 0.5, -0.5 )        #the area block covers (dimensions) top = 0 left = 1 bottom = 2 right = 3 front = 4 = 5   """modules defining movement of block""" def moveright():     global tlbrfb     r in range(0, 9):         rate(30)         block.rotate( angle = pi/18, axis = vector( 0, 0, -1), origin = vector(tlbrfb[right], 0, 0) ) #pi/18 = 10degrees,      tlbrfb = (tlbrfb[right]-tlbrfb[left], tlbrfb[right], 0, tlbrfb[right]+tlbrfb[top], tlbrfb[front], tlbrfb[back]) #update block's state of stance  def movedown():             global tlbrfb     r in range(0, 9):         rate(30)         block.rotate( angle = pi/18, axis = vector( +1, 0, 0), origin = vector(0, 0, tlbrfb[front]) )     tlbrfb = (tlbrfb[front]-tlbrfb[back], tlbrfb[left], 0, tlbrfb[right], tlbrfb[front]+tlbrfb[top], tlbrfb[front])  def moveleft():                 global tlbrfb     r in range(0, 9):         rate(30)         block.rotate( angle = pi/18, axis = vector( 0, 0, +1), origin = vector(tlbrfb[left], 0, 0) )     tlbrfb = (tlbrfb[right]-tlbrfb[left], tlbrfb[left]-tlbrfb[top], 0, tlbrfb[left], tlbrfb[front], tlbrfb[back] )  def moveup():           global tlbrfb     r in range(0, 9):         rate(30)         block.rotate( angle = pi/18, axis = vector( -1, 0, 0), origin = vector(0, 0, tlbrfb[back]) )     tlbrfb = (tlbrfb[front]-tlbrfb[back], tlbrfb[left], 0, tlbrfb[right], tlbrfb[back], tlbrfb[back]-tlbrfb[top])    level1 = [    #array on tile placement     [1,1,1,0,0,0,0,0,0,0],     [1,1,1,1,1,0,0,0,0,0],     [1,1,1,1,1,1,1,1,1,0],     [0,0,0,0,0,1,1,0,1,1],     [0,0,0,0,0,0,1,1,1,0] ]  def draw_level(array):     y in range(0, len(array)):         x in range(0, len(array[y])):              if array[y][x] == 1:                 box( pos=vector(x, -0.1, y), length=0.9, width = 0.9, height = 0.2, color = vector(0.9, 0.8, 0.8))   block = box( pos=vector(0,1,0), length = 1, width = 1, height = 2, color = vector(0.9, 0.9, 0.5))  def handle_events():     key = scene.kb.getkey()     if key =="up":         moveup()     elif key =="down":         movedown()     elif key == "left":         moveleft()     elif key == "right":         moveright()     elif key == "q":         quit()     elif key == "escape":         quit()  def maingameloop():     while true:         scene.center = vector(4.5, 0, 2)         scene.forward = scene.center - vector(2, 6, 10)         scene.background = vector(0.57, 0.2, 0.2)         draw_level(level1) #draw mapout         handle_events()  while true:     maingameloop()     handle_events()     print(block.pos)