Roulette wheel

mattia gervaz at gmail.com
Wed Mar 18 21:49:19 CET 2009


Il Wed, 18 Mar 2009 13:20:14 -0700, Aahz ha scritto:

> In article <49c1562a$0$1115$4fafbaef at reader1.news.tin.it>, mattia 
> <gervaz at gmail.com> wrote:
>>
>>Yeah, and I believe that we can say the same for: 1 - t = [x*2 for x in
>>range(10)]
>>2 - t = list(x*2 for x in range(10))
>>or not?
> 
> The latter requires generator expressions, which means it only works
> with Python 2.4 or higher.  Personally, I think that if the intent is to
> create a list you should just use a listcomp instead of list() on a
> genexp.

Ok, so list(x*2 for x in range(10)) actually means: list((x*2 for x in 
range(10)) --> so a generator is created and then the list function is 
called? Also, dealing with memory, [...] will be deleted when the 
reference will be no longer needed and with list(...)... well, I don't 
know? I'm new to python so sorry if this are nonsense.



More information about the Python-list mailing list