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johnpaulhayes/sum_value_in_list_of_dicts.py

Created February 14, 2017 11:32
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Sum an items value in a list of dictionaries
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sum_value_in_list_of_dicts.py
from collections import defaultdict
table = [{"name": "a", "value": 10}, {"name": "b", "value": 110}, {"name": "b", "value": 10}]
c = defaultdict(int)
for d in table:
c[d['name']] += d['value']
print c
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