PyCharm print end='\r' 语句不起作用 [英] PyCharm print end='\r' statement not working

问题描述

已经有很多关于打印语句的其他问题，但我还没有找到我的问题的答案:

There are already lots of other questions about the print statement, but I have not found an answer to my problem:

当我这样做时:

for idx in range(10):
    print(idx, end="\r")

直接在(ipython)终端中，它工作正常并且总是覆盖上一行.但是，当在带有 PyCharm 的模块中运行它时，我没有在标准输出中看到任何行.

in the (ipython) terminal directly, it works fine and always overwrites the previous line. However, when running this in a module with PyCharm, I don't see any lines printed in the stdout.

这是已知的 PyCharm 问题吗?

Is this a known PyCharm issue?

推荐答案

尝试在打印字符串的开头(而不是结尾)添加 \r :

Try to add \r at the beginning of your printed string (not at the end):

    for idx in range(10):
        print('\r', idx, end='')

回车在前面，并以 '' 结尾以避免换行 '\n'.避免空格的一种解决方案是使用格式约定:

Carriage return at front, and end with '' to avoid new line '\n'. One solution to avoid the space is to use the format convention:

    for idx in range(10):
        print("'\r{0}".format(idx), end='')

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