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Download as PDF; Printable version; In other projects ... LEFT DOUBLE QUOTATION MARK; RIGHT DOUBLE QUOTATION MARK; U+201C; ... NUMBER SIGN U+0023: Po, other
For example, in Python, raw strings are preceded by an r or R – compare 'C:\\Windows' with r'C:\Windows' (though, a Python raw string cannot end in an odd number of backslashes). Python 2 also distinguishes two types of strings: 8-bit ASCII ("bytes") strings (the default), explicitly indicated with a b or B prefix, and Unicode strings ...
A string (or word [23] or expression [24]) over Σ is any finite sequence of symbols from Σ. [25] For example, if Σ = {0, 1}, then 01011 is a string over Σ. The length of a string s is the number of symbols in s (the length of the sequence) and can be any non-negative integer; it is often denoted as |s|.
Python supports a wide variety of string operations. Strings in Python are immutable, so a string operation such as a substitution of characters, that in other programming languages might alter the string in place, returns a new string in Python. Performance considerations sometimes push for using special techniques in programs that modify ...
The double quotation mark derives from a marginal notation used in fifteenth-century manuscript annotations to indicate a passage of particular importance (not necessarily a quotation); the notation was placed in the outside margin of the page and was repeated alongside each line of the passage. [6]
u+00bb » right-pointing double angle quotation mark (») Guillemets ( / ˈ ɡ ɪ l əm ɛ t / , [ 1 ] [ 2 ] also UK : / ˈ ɡ iː m eɪ / , [ 3 ] US : / ˌ ɡ iː ( j ) ə ˈ m eɪ , ˌ ɡ ɪ l ə ˈ m ɛ t / , [ 4 ] French: [ɡij(ə)mɛ] ) are a pair of punctuation marks in the form of sideways double chevrons , « and » , used as ...
In some languages, if it is desired to include the same quotation marks used to delimit a string inside the string, the quotation marks are doubled. For example, to represent the string eat 'hot' dogs in Pascal one uses 'eat ''hot'' dogs'. Other languages use an escape character, often the backslash, as in 'eat \'hot\' dogs'.