Python 中的字符串格式化 [英] String formatting in Python

问题描述

我想做一些类似 String.Format("[{0}, {1}, {2}]", 1, 2, 3) 的事情，它返回:

[1, 2, 3]

如何在 Python 中执行此操作?

解决方案

之前的答案使用了 % 格式，该格式正在 Python 3.0+ 中逐步淘汰.假设您使用的是 Python 2.6+，这里描述了一个更加面向未来的格式化系统:

http://docs.python.org/library/string.html#formatstrings

尽管还有更高级的功能，但最简单的形式最终看起来与您所写的非常接近:

<预><代码>>>>"[{0}, {1}, {2}]".format(1, 2, 3)[1, 2, 3]

I want to do something like String.Format("[{0}, {1}, {2}]", 1, 2, 3) which returns:

[1, 2, 3]

How do I do this in Python?

解决方案

The previous answers have used % formatting, which is being phased out in Python 3.0+. Assuming you're using Python 2.6+, a more future-proof formatting system is described here:

http://docs.python.org/library/string.html#formatstrings

Although there are more advanced features as well, the simplest form ends up looking very close to what you wrote:

>>> "[{0}, {1}, {2}]".format(1, 2, 3)
[1, 2, 3]

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