Python 内建函数 - print(*objects, sep=' ', end='\n', file=sys.stdout, flush=False)

LorgSher

于 2017-03-21 17:40:31 发布

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分类专栏： Python笔录文章标签： python

本文链接：https://blog.youkuaiyun.com/powerdoom/article/details/64449572

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本文介绍了Python的内建函数print()，包括如何指定分隔符sep、结束符end，以及如何指定输出流file。print()函数将对象转换为字符串并输出，支持关键字参数flush用于强制刷新流。在Python 3.3版本中添加了flush参数。

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Manual

Print objects to the text stream file, separated by sep and followed by end. sep, end and file, if present, must be given as keyword arguments.

All non-keyword arguments are converted to strings like str() does and written to the stream, separated by sep and followed by end. Both sep and end must be strings; they can also be None, which means to use the default values. If no objects are given, print() will just write end.

The file argument must be an object with a write(string) method; if it is not present or None, sys.stdout will be used. Since printed arguments are converted to text strings, print() cannot be used with binary mode file objects. For these, use file.write(…) instead.

Whether output is buffered is usually determined by file, but if the flush keyword argument is true, the stream is forcibly flushed.

Changed in version 3.3: Added the flush keyword argument.