My first Python program

Ethan Furman ethan at stoneleaf.us
Wed Oct 13 19:28:55 CEST 2010


Seebs wrote:
> On 2010-10-12, Hallvard B Furuseth <h.b.furuseth at usit.uio.no> wrote:
 >
>>> self.type, self.name = None, None
> 
>> Actually you can write self.type = self.name = None,
>> though assignment statements are more limited than in C.
>> (And I think they're assigned left-to-right.)

Python 2.5.4 (r254:67916, Dec 23 2008, 15:10:54) [MSC v.1310 32 bit 
(Intel)] on win32
Type "help", "copyright", "credits" or "license" for more information.
--> a = 2
--> b = 7
--> c = 13
--> a = b = c = 'right to left'
--> a, b, c
('right to left', 'right to left', 'right to left')

>>>  match = re.match('(.*)\(\*([a-zA-Z0-9_]*)\)\((.*)\)', text)
> 
>> Make a habit of using r'' for strings with lots of backslashes,
>> like regexps.
> 
> Hmm.  There's an interesting question -- does this work as-is?  I'm
> assuming it must or it would have blown up on me pretty badly, so
> presumably those backslashes are getting passed through untouched
> already.  But if that's just coincidence (they happen not to be valid
> \-sequences), I should definitely fix that.

Unknown backslash sequences are passed through as-is.

~Ethan~



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