Answers for "python combine 2 dictionaries"

merge a list of dictionaries python

>>> from collections import ChainMap
>>> a = [{'a':1},{'b':2},{'c':1},{'d':2}]
>>> dict(ChainMap(*a))
{'b': 2, 'c': 1, 'a': 1, 'd': 2}

python concatenate dictionaries

# list_of_dictionaries contains a generic number of dictionaries
# having the same type of keys (str, int etc.) and type of values
global_dict = {}

for single_dict in list_of_dictionaries:
    global_dict.update(single_dict)

concat dicts python

d1={1:2,3:4}; d2={5:6,7:9}; d3={10:8,13:22}
d4 = dict(d1, **d2); d4.update(d3)