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Introduced in Python 2.4, generator expressions are the lazy evaluation equivalent of list comprehensions. Using the prime number generator provided in the above section, we might define a lazy, but not quite infinite collection.
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
The vertical bar represents an alternative and the terminal symbols are enclosed with quotation marks followed by a semicolon as terminating character. Hence a digit is a 0 or a digit excluding zero that can be 1 or 2 or 3 and so forth until 9. A production rule can also include a sequence of terminals or nonterminals, each separated by a comma:
For a far more comprehensive list of symbols and signs, see List of Unicode characters. For other languages and symbol sets (especially in mathematics and science), see below . This article contains special characters .
Shop staff were robbed at knifepoint during a "terrifying incident" that resulted in £80 being stolen, police have said. A man in his 20s has been arrested on suspicion of robbery in connection ...
But despite the Fed lowering rates starting in September by a total of a full percentage point, or 100 basis points to a range of 4.25-4.5 percent, some top-yielding deposit account rates at banks ...
The comma operator separates expressions (which have value) in a way analogous to how the semicolon terminates statements, and sequences of expressions are enclosed in parentheses analogously to how sequences of statements are enclosed in braces: [1] (a, b, c) is a sequence of expressions, separated by commas, which evaluates to the last expression c, while {a; b; c;} is a sequence of ...
Montejano’s daughter made the gruesome discovery of her mother and younger brother after not hearing from them all day. “I found them,” Montejano’s daughter Marissa Vigil told ABC10. “I ...