正如mhawke和steveha的评论所指出的，这个问题的最佳答案是:

Python 3. x:

input('Press <ENTER> to continue')

Python 2. x:

raw_input('Press <ENTER> to continue')

For a long block of text, it is best to use input('Press <ENTER> to continue') (or raw_input('Press <ENTER> to continue') on Python 2.x) to prompt the user, rather than a time delay. Fast readers won't want to wait for a delay, slow readers might want more time on the delay, someone might be interrupted while reading it and want a lot more time, etc. Also, if someone uses the program a lot, he/she may become used to how it works and not need to even read the long text. It's just friendlier to let the user control how long the block of text is displayed for reading.

轶事:曾经有一段时间，程序使用“按[ANY]键继续”。这个失败了，因为人们抱怨他们在键盘上找不到ANY键:)

所以，我发现这在我的编程工作中非常有效。我只是在程序的最开始创建了一个函数，

def pause():
    programPause = raw_input("Press the <ENTER> key to continue...")

现在我可以在任何需要的时候使用pause()函数，就像我在写一个批处理文件一样。例如，在这样的程序中:

import os
import system

def pause():
    programPause = raw_input("Press the <ENTER> key to continue...")

print("Think about what you ate for dinner last night...")
pause()

很明显，这个项目没有目标，只是举个例子，但你可以准确地理解我的意思。

注意:对于Python 3，你需要使用input而不是raw_input

通过这个方法，你可以通过按任何指定的键来恢复你的程序:

import keyboard
while True:
    key = keyboard.read_key()
    if key == 'space':  # You can put any key you like instead of 'space'
        break

同样的方法，但方式不同:

import keyboard
while True:
    if keyboard.is_pressed('space'):  # The same. you can put any key you like instead of 'space'
        break

注意:你可以通过在shell或cmd中写这个命令来安装键盘模块:

pip install keyboard

仅适用于Windows，请使用:

import os
os.system("pause")

我在Python 2和Python 3中使用以下代码暂停代码执行，直到用户按下Enter

import six

if six.PY2:
    raw_input("Press the <Enter> key to continue...")
else:
    input("Press the <Enter> key to continue...")

print ("This is how you pause")

input()