Question 20: Arrange the steps to correctly escape a double quote inside a string. Use double quotes to enclose the string. Print the string. Use a backslash to escape the internal double quote. ▼ Question 21:
Transforms special characters (like quotes) to escape sequences or to a raw string and builds literals. Also, the other way, unescaping is possible. 🛠
Escape Characters To insert characters that are illegal in a string, use an escape character. An escape character is a backslash\followed by the character you want to insert. An example of an illegal character is a double quote inside a string that is surrounded by double quotes:...
Besides numbers, Python can also manipulate strings, which can be expressed in several ways. They can be enclosed in single quotes ('...') ('...')or double quotes ("...") with the same result [2]. \ can be used to escape quotes: 除了数字，Python还可以操作字符串，单引号('......
To insert characters that are illegal in a string, use an escape character.An escape character is a backslash \ followed by the character you want to insert.An example of an illegal character is a double quote inside a string that is surrounded by double quotes:...
Python strings can be created with single quotes, double quotes, or triple quotes. When we use triple quotes, strings can span several lines without using the escape character. string_literals.py #!/usr/bin/python # string_literals.py
Sometimes you need to include special characters, such as curly braces or quotes, in your f-strings. To do this, you must escape them. Curly braces are escaped by doubling them, and single quotes can be escaped with a backslash.
引号前小写的"u"表示这里创建的是一个 Unicode 字符串。如果你想加入一个特殊字符,可以使用 Python 的 Unicode-Escape 编码。如下例所示: >>>u'Hello\u0020World !'u'Hello World !' 被替换的 \u0020 标识表示在给定位置插入编码值为 0x0020 的 Unicode 字符(空格符)。
4.1 class string.Template(template) 4.1.1 高级用法 4.1.2 其他 5. 帮助函数 string.capwords(s,sep=None) 源代码:Lib/string.py 也可以看看 str类型及方法 1. 字符串常量 源码定义如下: whitespace = ' \t\n\r\v\f' ascii_lowercase = 'abcdefghijklmnopqrstuvwxyz' ...
We can also escape newlines \ so this particular string is actually only two lines long.""" #如果字符串中使用的引号与包含字符串所用引号不同时, #可以直接使用,如果相同时,需要进行转义 a = "Single 'quotes' are fine; \"doubles\" must be escaped." b ='single \'quotes\' must be escaped...