对于Windows（仅控制台），请使用以下msvcrt模块：
import msvcrt
num = 0
done = False
while not done:
print(num)
num += 1
if msvcrt.kbhit():
print "you pressed",msvcrt.getch(),"so Now i will quit"
done = True
对于Linux，本文介绍以下解决方案，它需要使用以下termios模块：
import sys
import select
import tty
import termios
def isData():
return select.select([sys.stdin], [], [], 0) == ([sys.stdin], [], [])
old_settings = termios.tcgetattr(sys.stdin)
try:
tty.setcbreak(sys.stdin.fileno())
i = 0
while 1:
print(i)
i += 1
if isData():
c = sys.stdin.read(1)
if c == '\x1b': # x1b is ESC
break
finally:
termios.tcsetattr(sys.stdin, termios.TCSADRAIN, old_settings)
对于跨平台，或者如果你还需要GUI，则可以使用Pygame：
import pygame
from pygame.locals import *
def display(str):
text = font.render(str, True, (255, 255, 255), (159, 182, 205))
textRect = text.get_rect()
textRect.centerx = screen.get_rect().centerx
textRect.centery = screen.get_rect().centery
screen.blit(text, textRect)
pygame.display.update()
pygame.init()
screen = pygame.display.set_mode( (640,480) )
pygame.display.set_caption('Python numbers')
screen.fill((159, 182, 205))
font = pygame.font.Font(None, 17)
num = 0
done = False
while not done:
display( str(num) )
num += 1
pygame.event.pump()
keys = pygame.key.get_pressed()
if keys[K_ESCAPE]:
done = True
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