[Tutor] Question on dictionary

[Steven D'Aprano]

On Fri, Sep 12, 2014 at 08:26:29PM +0530, Sunil Tech wrote:
> Hi All,
> 
> i have a dictionary like
> 
> res = [{'description': 'Testo', 'id': '676', 'parentOf': True},
>        {'description': 'Pesto', 'id': '620', 'parentOf': False}]

That is not a dictionary. It is a list containing two dictionaries.


> i looking for the result like this
> 
> res = [{'description': 'Testo', 'id': '676', 
>         'id_desc':'676_Testo', 'parentOf': True},
>        {'description': 'Pesto', 'id': '620', 
>         'id_desc':'620_Pesto', 'parentOf': False}]
>
> to get this result i wrote a code like this
> 
> for i in res:
>     dict = {}
>     dict['id_desc'] = str(i['id'])+','+str(i['description'])
>     i.update(dict)
> 
> is there any other simple methods to achieve this?

for d in res:
    d['id_desc'] = d['id'] + '_' + d['description']
    d['parentOf'] = (d['id'] == 676)


-- 
Steven