combine two dictionary adding values for common keys

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showing results for - "combine two dictionary adding values for common keys"
Giada
27 May 2019
1a = {
2    "a": 1,
3    "b": 2,
4    "c": 3
5}
6
7b = {
8    "a": 2,
9    "b": 3,
10    "d": 5
11}
12
13# Python 3.5
14
15for key in b:
16    if key in a:
17        b[key] = b[key] + a[key]
18
19c = {**a, **b}
20print(c)
21
22>>> c
23{'a': 3, 'b': 5, 'c': 3, 'd': 5}
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