CODEWITHSUNDEEP
python
user1328021
user1328021

Reputation: 9850

Extracting information from a dict within a dict

I have a list of specifications that have a dict of properties associated with them:

specs = {
    'spec': {'name': 'color',   'value': 'blue'},
    'spec': {'name':'size', 'value':'8'}
}

Ultimately, I'd like to extract only size = 8 from this list, but the order of where size is in the dict changes (ie. it's not always the second element).

Is there a more efficient way to find the dict that size is in, other than looping through each dict item in specs?

I know that I could do specs [size] if it were located as a key.. but it's not.

Upvotes: 0

Views: 123

Answers (1)

Thomas Fenzl
Thomas Fenzl

Reputation: 4392

You won't get any more efficient than looping through the list. You can write a nice, compact list comprehension if you want to: 

print [x['spec']['value'] for x in specs if x['spec']['name'] == 'size']
#  [8]

Upvotes: 2

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