在 Python 中的同一行上打印多个 [英] multiple prints on the same line in Python

问题描述

我想运行一个脚本，它基本上显示如下输出:

I want to run a script, which basically shows an output like this:

Installing XXX...               [DONE]

目前，我先打印Installing XXX...，然后打印[DONE].

Currently, I print Installing XXX... first and then I print [DONE].

但是，我现在想在同一行打印 Installing xxx... 和 [DONE].

However, I now want to print Installing xxx... and [DONE] on the same line.

有什么想法吗?

推荐答案

您可以使用 print 语句完成此操作，而无需导入 sys.

You can use the print statement to do this without importing sys.

def install_xxx():
   print "Installing XXX...      ",

install_xxx()
print "[DONE]"

print 行末尾的逗号阻止 print 发出新行(您应该注意输出末尾会有一个额外的空格).

The comma on the end of the print line prevents print from issuing a new line (you should note that there will be an extra space at the end of the output).

Python 3 解决方案
由于以上在 Python 3 中不起作用，您可以改为执行此操作(同样，无需导入 sys):

def install_xxx():
    print("Installing XXX...      ", end="", flush=True)

install_xxx()
print("[DONE]")

打印函数接受一个 end 参数，默认为 " ".将其设置为空字符串可防止它在行尾发出新行.

The print function accepts an end parameter which defaults to " ". Setting it to an empty string prevents it from issuing a new line at the end of the line.

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