On 06/10/10 04:41, quoth Marco Nawijn:
> On Jun 10, 2:39 am, james_027 wrote:
>> hi,
>>
>> I am trying to reverse the order of my list of tuples and its is
>> returning a None to me. Is the reverse() function not allow on list
>> containing tuples?
>>
>> Thanks,
>> James
>
> As the others already
On Jun 10, 2:39 am, james_027 wrote:
> hi,
>
> I am trying to reverse the order of my list of tuples and its is
> returning a None to me. Is the reverse() function not allow on list
> containing tuples?
>
> Thanks,
> James
As the others already mentioned list.reverse() is in-place, just as
for
ex
On 6/9/2010 8:39 PM, james_027 wrote:
hi,
I am trying to reverse the order of my list of tuples and its is
returning a None to me. Is the reverse() function not allow on list
containing tuples?
No. Mutation methods of builtins generally return None.
--
http://mail.python.org/mailman/listinfo
On Jun 9, 7:39 pm, james_027 wrote:
>
> I am trying to reverse the order of my list of tuples and its is
> returning a None to me. Is the reverse() function not allow on list
> containing tuples?
list.revese() is an in-place operation! don't try to assign the return
value back to your list!
>>>
$ python
Python 2.5.1 (r251:54863, Nov 2 2007, 11:57:24)
[GCC 3.2.3 20030502 (Red Hat Linux 3.2.3-52)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> list_ = [(1,2), (3,4), (5,6)]
>>> print list_.reverse()
None
>>> print list_
[(5, 6), (3, 4), (1, 2)]
>>>
On
hi,
I am trying to reverse the order of my list of tuples and its is
returning a None to me. Is the reverse() function not allow on list
containing tuples?
Thanks,
James
--
http://mail.python.org/mailman/listinfo/python-list