Python create new dict with unique keys and values from old one

Asked Aug 05 '15 at 15:06

Active Aug 05 '15 at 15:14

Viewed 57 times

is there any fast Python dict checker for same values. I have tried with this code but I'm stuck with it.

uniq= [{'id': 1, 'name': u'Mobil'}, {'id': 2, 'name': u'Mobil'}, 
    {'id': 1, 'name': u'Ikea'}, {'id': 2, 'name': u'Ikea'}]
result={}
for dict in uniq:
    for key, value in dict.items():
        result.setdefault(key,value)
print result

And the output in new dict would be like:

result = [{'id': 1, 'name': u'Mobil'},{'id': 2, 'name': u'Ikea'}]

With this code i get only one reslut in result, and that is {'id': 1, 'name': u'Mobil'}

edited Aug 05 '15 at 15:14

Anand S Kumar

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asked Aug 05 '15 at 15:06

Marin

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So the question is to make a list of dictionaries unique right? – Anand S Kumar Aug 05 '15 at 15:11
One common way is to convert the list to set and back to list. `list(set([1,2,3,1,2,3,1,2,3]))` – Cyrbil Aug 05 '15 at 15:12
What if you also had `{'id':3, 'name':u'Mobil'}` and `{'id':2, 'name':u'Unique'}`? Do either of these dicts appear in "result"? – Adam Smith Aug 05 '15 at 15:14
Yes it would appear in result. @AdamSmith The main key is id, if id is different append. – Marin Aug 05 '15 at 15:17
@marin I think the follow up on the duped answer handles this case. Also look at https://gist.github.com/NotTheEconomist/c67c7672b323668a51d3 – Adam Smith Aug 05 '15 at 15:46
Thx for help guys. @AdamSmith – Marin Aug 05 '15 at 19:08

Python create new dict with unique keys and values from old one

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