与 time.sleep() 在同一行打印 [英] Printing on the same line with time.sleep()

问题描述

我正在尝试使用中间的计时器在同一行上打印两个字符串.代码如下:

I'm trying to print two strings on the same line using a timer in between. Here's the code:

import time

print "hello",
time.sleep(2)
print "world"

但程序似乎等待了两秒钟，然后打印了两个字符串.

But it seems the program waits for two seconds then prints both strings.

推荐答案

在 python 2.7 中，您可以使用 future 包中的 print_function

in python 2.7 you could use the print_function from the future package

from __future__ import print_function
from time import sleep

print("hello, ", end="")
sleep(2)
print("world!")

但是就像你说的，这会等待 2 秒然后打印两个字符串.根据 Gui Rava 的回答，您可以刷新标准输出，这里有一个示例，可以帮助您找到正确的方向:

But like you said, this waits 2 seconds then prints both strings. In light of Gui Rava's answer you can flush stdout, here is a sample which should get you in the right direction:

import time
import sys

def _print(string):
    sys.stdout.write(string)
    sys.stdout.flush()

_print('hello ')
time.sleep(2)
_print('world')

这篇关于与 time.sleep() 在同一行打印的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！