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Such strings can be delimited with " or ' for single line strings, or may span multiple lines if delimited with either """ or ''' which is Python's notation for specifying multi-line strings. However, the style guide for the language specifies that triple double quotes ( """ ) are preferred for both single and multi-line docstrings.
Equivalence here means that any of the three structures shown in the left column may be replaced, in any occurrence outside of strings, by the symbol shown in the same line in the right column without any effect on the action of the program. Naur changed two of Backus's symbols to commonly available characters. The ::= symbol was originally a :≡.
The combining diacritic, ̱ (macron below), is similar to the combining low line but is shorter.The difference between "macron below" and "low line" is that the latter results in an unbroken underline when it is run together: compare a̱ḇc̱ and a̲b̲c̲ (only the latter should look like abc).
Bold text is stylistically offset from other text without conveying extra importance. The most common use of boldface is to highlight the article title, and often synonyms, in the lead section. Do not use bold text for emphasis. Use ''' to open and close bold text.
The Zen of Python is a collection of 19 "guiding principles" for writing computer programs that influence the design of the Python programming language. [1] Python code that aligns with these principles is often referred to as "Pythonic". [2] Software engineer Tim Peters wrote this set of principles and posted it on the Python mailing list in ...
Two types of literal expression are usually offered: one with interpolation enabled, the other without. Non-interpolated strings may also escape sequences, in which case they are termed a raw string, though in other cases this is separate, yielding three classes of raw string, non-interpolated (but escaped) string, interpolated (and escaped) string.
The zero-width space can be used to mark word breaks in languages without visible space between words, such as Thai, Myanmar, Khmer, and Japanese. [ 1 ] In justified text, the rendering engine may add inter-character spacing, also known as letter spacing, between letters separated by a zero-width space, unlike around fixed-width spaces.
Do not put quotations in italics. Quotation marks (or block quoting) alone are sufficient and the correct ways to denote quotations. Italics should only be used if the quoted material would otherwise call for italics. Use italics within quotations to reproduce emphasis that exists in the source material or to indicate the use of non-English words.