python dictionary concatenate values from two keys code example

Example 1: concatenate two dictionnaries python

d1.update(d2)

Example 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)