Hi,
try defaultdict:
In [1]: from collections import defaultdict
In [2]: d=defaultdict(list)
In [3]: d[1].append(7)
In [4]: d[1].append(8)
In [5]: d
Out[5]: defaultdict(, {1: [7, 8]})
In [6]: d[1]
Out[6]: [7, 8]
Regards,
wr
Am Donnerstag 28 August 2008 19:02:55 schrieb Ron Brennan:
> I hav
On Thu, Aug 28, 2008 at 10:02 AM, Ron Brennan <[EMAIL PROTECTED]> wrote:
> I have another question.
>
> How would like to be able to add the contents on the values for one key.
>
> key['20001']:[978, 345]
I'm assuming that by this you meant:
assert the_dict['20001'] == [978, 345]
>
> How can I do
I have another question.
How would like to be able to add the contents on the values for one key.
key['20001']:[978, 345]
How can I do this?
Thanks,
Ron
On Thu, Aug 28, 2008 at 11:56 AM, Bruno Desthuilliers
<[EMAIL PROTECTED]> wrote:
> norseman a écrit :
>
>> Terry Reedy wrote:
>>
>>>
>>>
>>
2008/8/28 Bruno Desthuilliers <[EMAIL PROTECTED]>:
> You can either use 1/ a list of dicts, or 2/ a dict mapping keys to lists.
>
> 1/
> records = [
> {"name":"guy", "address":"unknown","zip":"0"},
> {"name":"girl", "address":"123 tiny street","zip":"12345"},
> {"name":"boy", "address":"
norseman a écrit :
Terry Reedy wrote:
Ron Brennan wrote:
Hello,
How would I create a dictionary that contains multiple values for one
key.
Make the value a collection object (set or list if you plan to add and
delete).
I'd also like the key to be able to have duplicate entries.
Le Thursday 28 August 2008 03:43:16 norseman, vous avez écrit :
> Terry Reedy wrote:
> > Ron Brennan wrote:
> >> Hello,
> >>
> >>
> >> How would I create a dictionary that contains multiple values for one
> >> key.
> >
> > Make the value a collection object (set or list if you plan to add and
> > d
Terry Reedy wrote:
Ron Brennan wrote:
Hello,
How would I create a dictionary that contains multiple values for one
key.
Make the value a collection object (set or list if you plan to add and
delete).
I'd also like the key to be able to have duplicate entries.
Dict keys must be ha
Le Thursday 28 August 2008 01:56:54 Terry Reedy, vous avez écrit :
> > I'd also like the key to be able to have duplicate entries.
>
> Dict keys must be hashable and unique.
Let's admit they don't have to be unique (it's easy to implement all sort of
data structures in pure python), but what wou
Ron Brennan wrote:
Hello,
How would I create a dictionary that contains multiple values for one
key.
Make the value a collection object (set or list if you plan to add and
delete).
I'd also like the key to be able to have duplicate entries.
Dict keys must be hashable and unique.
Ron Brennan wrote:
How would I create a dictionary that contains multiple values for one
key. I'd also like the key to be able to have duplicate entries.
look for the thread titled "python multimap".
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