python concatenate dictionaries

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showing results for - "python concatenate dictionaries"
Safia
04 Oct 2019
1z = {**x, **y}  #python 3.5 and above
2
3z = x | y    #python 3.9+ ONLY
4
5def merge_two_dicts(x, y): # python 3.4 or lower
6      z = x.copy()   # start with x's keys and values
7      z.update(y)    # modifies z with y's keys and values & returns None
8      return z
Gilberto
08 Feb 2020
1z = {**x, **y}
2
Lea
09 Mar 2019
1dict1 = {'color': 'blue', 'shape': 'square'}
2dict2 = {'color': 'red', 'edges': 4}
3
4dict1.update(dict2) #if a key exists in both, it takes the value of the second dict
5# dict1 = {'color': 'red', 'shape': 'square', 'edges': 4}
6# dict2 is left unchanged
Julia
09 Oct 2020
1d1.update(d2)
Noelie
08 Jan 2020
1# list_of_dictionaries contains a generic number of dictionaries
2# having the same type of keys (str, int etc.) and type of values
3global_dict = {}
4
5for single_dict in list_of_dictionaries:
6    global_dict.update(single_dict)
Maison
04 Oct 2016
1d1={1:2,3:4}; d2={5:6,7:9}; d3={10:8,13:22}
2d4 = dict(d1, **d2); d4.update(d3)
3
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