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The append procedure takes zero or more (linked) lists as arguments, and returns the concatenation of these lists. ( append ' ( 1 2 3 ) ' ( a b ) ' () ' ( 6 )) ;Output: (1 2 3 a b 6) Since the append procedure must completely copy all of its arguments except the last, both its time and space complexity are O( n ) for a list of n {\displaystyle ...
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.
To italicize text, put two consecutive apostrophes on each side of it. Three apostrophes each side will bold the text. Five consecutive apostrophes on each side (two for italics plus three for bold) produces bold italics. Italic and bold formatting works correctly only within a single line.
Here, the list [0..] represents , x^2>3 represents the predicate, and 2*x represents the output expression.. List comprehensions give results in a defined order (unlike the members of sets); and list comprehensions may generate the members of a list in order, rather than produce the entirety of the list thus allowing, for example, the previous Haskell definition of the members of an infinite list.
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.
For titles of books, articles, poems, and so forth, use italics or quotation marks following the guidance for titles. Italics can also be added to mark up non-English terms (with the {} template), for an organism's scientific name, and to indicate a words-as-words usage.
Punctuation, initial quote: Graphic: Character: 12: Opening quotation mark. Does not include the ASCII "neutral" quotation mark. May behave like Ps or Pe depending on usage Pf: Punctuation, final quote: Graphic: Character: 10: Closing quotation mark. May behave like Ps or Pe depending on usage Pc: Punctuation, connector: Graphic: Character: 10 ...
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, indicated with a u or U prefix. [25] while in Python 3 strings are Unicode by default and bytes are a separate bytes type that when initialized with quotes must be prefixed with a b.