Multi-Line Strings: A Modest Proposal

Steven D'Aprano steve+python at pearwood.info
Sat Aug 13 23:34:07 EDT 2016


On 2016年8月14日 11:53 am, John Wong wrote:
> The way I solve it, and I still find that extremely ugly, is
>> s = ("this string continues " +
> "substring continues")

You don't need the plus sign, as Python will concatenate string literals
(not variables) at compile time:
"foo" 'bar' # compiles as 'foobar'
Note that you can mix any of the string delimiters, including raw strings.
And they don't have to be on the same line:
 raise ValueError(
 "This is a long 'error message' using"
 ' mixed "quotes" specifically so I can'
 " show off Python's string literal concatenation."
 )
That's equivalent to the one-line:
 raise ValueError("This is a long 'error message' using mixed \"quotes\" specifically so I can show off Python's string literal concatenation.")
-- 
Steve
“Cheer up,” they said, “things could be worse.” So I cheered up, and sure enough, things got worse.


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