Answers for "how to add two dictionaries in python"

2

python merge dictionaries

# Python >= 3.5:
def merge_dictionaries(a, b):
   return {**a, **b}
  
# else:
def merge_dictionaries(a, b):
    c = a.copy()   # make a copy of a 
    c.update(b)    # modify keys and values of a with the b ones
    return c

a = { 'x': 1, 'y': 2}
b = { 'y': 3, 'z': 4}
print(merge_dictionaries(a, b)) 		# {'y': 3, 'x': 1, 'z': 4}
Posted by: Guest on February-16-2021
2

merge dicts python

z = x | y          # NOTE: 3.9+ ONLY
z = {**x, **y}		# NOTE: 3.5+ ONLY
Posted by: Guest on September-18-2021
0

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)
Posted by: Guest on April-14-2021

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