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Python sets are very much like mathematical sets, and support operations like set intersection and union. Python also features a frozenset class for immutable sets, see Collection types. Dictionaries (class dict) are mutable mappings tying keys and corresponding values. Python has special syntax to create dictionaries ({key: value})
Python. The use of the triple-quotes to comment-out lines of source, does not actually form a comment. [21] The enclosed text becomes a string literal, which Python usually ignores (except when it is the first statement in the body of a module, class or function; see docstring). Elixir
Double quotes are preferred in the United States, and also tend to be preferred in Australia [11] [12] (though the Australian Government prefers single quotes) [13] and Canada. Single quotes are more usual in the United Kingdom, Ireland and South Africa, though double quotes are also common there, especially in journalistic works [clarification ...
Delimited by single or double quotes; unlike in Unix shells, Perl, and Perl-influenced languages, single and double quotes work the same. Both use the backslash (\) as an escape character. String interpolation became available in Python 3.6 as "formatted string literals". [110]
A character literal is a type of literal in programming for the representation of a single character's value within the source code of a computer program.. Languages that have a dedicated character data type generally include character literals; these include C, C++, Java, [1] and Visual Basic. [2]
The backslash (\) escape character typically provides two ways to include double-quotes inside a string literal, either by modifying the meaning of the double-quote character embedded in the string (\" becomes "), or by modifying the meaning of a sequence of characters including the hexadecimal value of a double-quote character (\x22 becomes ").
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Double quotes are not officially named in Lojban, but sometimes called lubu, following the same pattern as vowel letters, e.g. a = abu: Lojban uses the words lu and li’u, rather than punctuation, to surround quotes of grammatically correct Lojban. [49] Double quotes can also be used for aesthetic purposes.