The square brackets [] have several uses.

方括号有几种用法。

Your last question was about the marks you call round and square brackets.

你的最后一个问题是关于你所说的圆括号和方括号的标点。

We no longer have to use square brackets and we can simply print index and letter.

我们不再需要使用方括号，我们可以简单地打印索引和字母。

Almost all programing languages start arrays at index 0, and use a square bracket syntax to denote array access.

几乎所有编程语言都从索引 0 开始数组，并使用方括号语法来表示数组访问。

So now, to get the index, we can use square brackets to access the first item in this topple.

所以现在，为了获得索引，我们可以使用方括号来访问此翻转中的第一项。

To distinguish factors from points, the convention is to write this pair of numbers vertically, with square brackets around them.

为了区分因子和点 习惯上是垂直写这对数字 用方括号括起来。

Uh, this is a link in markdown; it's a text rendered in square brackets, and then the link in parentheses.

呃，这是markdown中的链接；它是在方括号中呈现的文本，然后是括号中的链接。

The square brackets in the formula are used by chemists to represent molar concentration, or molarity: moles of solute per liter of solution.

化学家使用公式中的方括号表示摩尔浓度或摩尔浓度：每升溶液中溶质的摩尔数。

I hope you can tell me about the difference between punctuation marks such as the semicolon, the colon and the comma and between round brackets and square brackets.

我希望你能告诉我分号、冒号和逗号之间的区别，以及圆括号和方括号之间的区别。

Let's run this, as you can see this returns a two dimensional array, this square bracket indicates the outer array and a second one represents an inner array.

让我们运行它，如您所见，它返回一个二维数组，这个方括号表示外部数组，第二个方括号表示内部数组。

So I'm going to use single quotes and set the course name to Python for Beginners. Now here we're going to use square brackets to get a character and a given index in this string.

所以我将使用单引号并将课程名称设置为Python对于初学者。现在我们将使用square用于获取此字符串中的字符和给定索引的括号。

But, one final way I could do the same change is using the modifier commands to talk about how I want to interact with these different types of grouping things like parentheses and square brackets.

但是，我可以进行相同更改的最后一种方法是使用修饰符命令来讨论我希望如何与括号和方括号等不同类型的分组内容进行交互。

But, if your cursor is hovering over a different, uh, different types of grouping things like parentheses, or square brackets, you can press the percent movement key to jump back and forth between matching parentheses.

但是，如果您的光标悬停在不同的，呃，不同类型的分组内容（例如括号或方括号）上，您可以按百分比移动键在匹配的括号之间来回跳转。