Tertiary Operation

Steven Bethard steven.bethard at gmail.com
Tue Oct 17 17:12:13 CEST 2006


abcd wrote:
> x = None
> result = (x is None and "" or str(x))
> print result, type(result)
> 
> ---------------
> OUTPUT
> ---------------
> None <type 'str'>
> 
> 
[snip]
> ...what's wrong with the first operation I did with x?

You weren't using Python 2.5:

Python 2.5 (r25:51908, Sep 19 2006, 09:52:17) [MSC v.1310 32 bit 
(Intel)] on win32
Type "help", "copyright", "credits" or "license" for more information.
 >>> x = None
 >>> '' if x is None else str(x)
''
 >>>

Time to upgrade. ;-)

Steve



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