msvcrt getch暂停脚本，必须继续

Question

Python3.3，msvcrt

import sys, msvcrt
print("Please press a key to see its value")
while 1:
    key = msvcrt.getch()
    print("the key is")
    print(key)
    if ord(key) == 27: # key nr 27 is escape
        sys.exit()

这是我的代码，举个例子。当它到达key = msvcrt.getch()*, or *key = ord(getch())时，代码就会暂停，就在这里，我使用了第一个。我想让这段代码不断地打印，键不是仅仅打印，而是当我给出一个新的输入时(当我按下一个键)。

所以打印的输出应该是这样的：

the key is
the key is
the key is
the key is
the key is
the key is
77
the key is
the key is
the key is

这是必要的，如果你想做一些像蛇，你不想让你的游戏暂停，每次你想要的时候，你不想让它暂停，等待输入。

Answer 1

使用msvcrt.kbhit检查键是否按下：

import sys, msvcrt
import time

print("Please press a key to see its value")
while 1:
    print("the key is")
    if msvcrt.kbhit(): # <--------
        key = msvcrt.getch()
        print(key)
        if ord(key) == 27:
            sys.exit()
    time.sleep(0.1)

Answer 2

另一个使Python程序停止在一定级别，并等待用户按Enter "Yes“和/或Space表示"No”的示例可以使用pygame生成。例如，我在"No“中使用了Space，但您可以使用touche Escape来表示"No”。你可能不需要进口的librairies。在做抽搐脚趾游戏时需要他们。

守则如下：

import numpy as np
import pygame as pg
from math import floor
import sys
import time
pg.init()

black = (0, 0, 0)
red = (255, 0, 0)
blue = (0, 0, 255)
yellow = (255, 255, 0)
white = (255, 255, 255)
gris = (192, 192, 192)
cell = 100
thickness =2

window = pg.display.set_mode((300, 300))
pg.display.set_caption("by @djilytech")
for col in range(3):
    for row in range(3):
        pg.draw.rect(window, gris, (row * cell, col * cell, cell - 2, cell - 2), thickness)
        pg.time.delay(120)
        pg.display.update()

run = False
while not run:
    for ev in pg.event.get():
        if ev.type == pg.QUIT:
            pg.quit()
            sys.exit()
        if ev.type == pg.KEYDOWN:
            if ev.key == pg.K_RETURN:
                print(" This mean the user wants to play again or said YES")
                # So I can have some code here for what I want

            if ev.key == pg.K_SPACE:
                print("User does not want to continue")
                # Will exit the program

            run = True