/Python/How to merge two dictionaries in python

How to merge two dictionaries in python

Python merge dictionaries

dict1 = {'color': 'blue', 'shape': 'square'}
dict2 = {'color': 'red', 'edges': 4}

dict1.update(dict2) #if a key exists in both, it takes the value of the second dict
# dict1 = {'color': 'red', 'shape': 'square', 'edges': 4}
# dict2 is left unchanged

Python join dict

dict.update([other])

Source: thispointer.com

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}

How to merge two dictionaries in python

>>> x = {'a': 1, 'b': 2}
>>> y = {'b': 10, 'c': 11}
>>> z = {**x, **y} #In Python 3.5 or greater only
>>> print(z)
{'a': 1, 'b': 10, 'c': 11}

Merge multile dict

dict1 = {"a":1, "b":2}
dict2 = {"x":3, "y":4}
merged = {**dict1, **dict2}
print(merged) # {'a': 1, 'b': 2, 'x': 3, 'y': 4}

Merge dictionaries in python

dict_1 = {'John': 15, 'Rick': 10, 'Misa' : 12 }
dict_2 = {'Bonnie': 18,'Rick': 20,'Matt' : 16 }
dict_1.update(dict_2)
print('Updated dictionary:')
print(dict_1)

Source: favtutor.com

Similar codes

25 votes191 views6 answers
Create new python environment
Python
17 votes180 views6 answers
How to append to a list in python
Python
10 votes204 views4 answers
How to print all items in a list python
Python
0 vote200 views1 answer
Smart Weather Information App Using Python
Python
1 vote223 views1 answer
Pip install mysqldb
Python
39 votes202 views6 answers
Pyplot python
Python
0 vote238 views1 answer
Django admin.py date format
Python Django
2 votes165 views1 answer
Python split string at index
Python
3 votes193 views1 answer
Python plot cut off when saving
Python
0 vote197 views1 answer
Python pip past
Python