简化链式比较 [英] Simplify Chained Comparison

问题描述

我有一个整数值 x，我需要检查它是否在 start 和 end 值之间，所以我写了以下陈述:

I have an integer value x, and I need to check if it is between a start and end values, so I write the following statements:

if x >= start and x <= end:
    # do stuff

此语句带有下划线，工具提示告诉我必须

This statement gets underlined, and the tooltip tells me that I must

简化链式比较

据我所知，这种比较和它们来的一样简单.我在这里错过了什么?

As far as I can tell, that comparison is about as simple as they come. What have I missed here?

推荐答案

在 Python 中你可以 "chain" 比较操作 意味着它们被和"在一起.在你的情况下，它会是这样的:

In Python you can "chain" comparison operations which just means they are "and"ed together. In your case, it'd be like this:

if start <= x <= end:

参考:https://docs.python.org/3/reference/表达式.html#comparisons

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