what does the keyword "\n" do in python? I don't know what it means

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英文:

what does the keyword "\n" do in python? I don't know what it means

问题

I've seen lots of uses of \n and I don't know what it means. Does it mean a space? Does it mean a variable?

我看到了很多对\n的使用,但我不知道它是什么意思。它是指空格吗?它是指一个变量吗?

I tried searching it.

我尝试搜索了一下。

英文:

I've seen lots of uses of \n and I don't know what it means. Does it mean a space? Does it mean a variable?

I tried searching it.

答案1

得分: 2

"\n"是用于添加新行的转义字符。

示例:

  1. This\nis\na\nsentence\n

这里的输出将是:

  1. This
  2. is
  3. a
  4. sentence
英文:

"\n" is the escape character used to add a new line.

Example:

  1. This\nis\na\nsentence\n

The output here would be:

  1. This
  2. is
  3. a
  4. sentence

答案2

得分: 1

  1. 基本上意味着您希望在放置它的位置插入一个换行符

print("我是一个 \n 程序员"), 将导致

我是一个
程序员

英文:

It basically means that you want a newline from where you put it

  1. print("I am a \n programmer"), will result in
  1. I am a
  2. programmer

答案3

得分: 0

这主要用于字符串和列表。

  1. 输入:Hello\nworld
  2. 输出:Hello
  3. World

想象一个名为'numbers'的列表。数字列表构建如下:[1,2,3,5,7,8]

  1. 输入:"\n".join(numbers)
  2. 输出:1
  3. 2
  4. 3
  5. 5
  6. 7
  7. 8
英文:

\n = new line

This is mostly used in strings and lists.

  1. Input: Hello\nworld!
  2. Output: Hello
  3. World!

Imagine a list called 'numbers'. The numbers list is built like so: [1,2,3,5,7,8]

  1. Input: "\n".join(numbers)
  2. Output: 1
  3. 2
  4. 3
  5. 5
  6. 7
  7. 8

答案4

得分: -1

通常表示换行。例如:
hello\nworld
这意味着:

  1. hello
  2. world
英文:

it usually means a new line. For example:
hello\nworld
it would mean:

  1. hello
  2. world

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  • 本文由 发表于 2023年5月7日 18:45:01
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