/Python/How to merge two dictionaries with same keys in python

How to merge two dictionaries with same keys 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 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}

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

Python merge two dictionaries

d1 = {'name': 'Alex', 'age': 25}
d2 = {'name': 'Alex', 'city': 'New York'}
merged_dict = {**d1, **d2}
print(merged_dict) # {'name': 'Alex', 'age': 25, 'city': 'New York'}

Source: python-engineer.com

Merged all dictionaries in a list python

>>> result = {}
>>> for d in L:
...    result.update(d)
... 
>>> result
{'a':1,'c':1,'b':2,'d':2}

Source: stackoverflow.com

How to merge two dictionaries with same keys in python

from collections import defaultdict

d1 = {1: 2, 3: 4}
d2 = {1: 6, 3: 7}

dd = defaultdict(list)

for d in (d1, d2): # you can list as many input dicts as you want here
    for key, value in d.items():
        dd[key].append(value)

print(dd)

Source: stackoverflow.com

Similar codes

0 vote203 views1 answer
EXCEL , EXTRAER DELIMITADOR
Python
1 vote207 views1 answer
How to convert a pandas series from int to float in python
Python
41 votes247 views6 answers
Check if element in list Python
Python
0 vote195 views1 answer
Downolad fileby python requests
Python
6 votes219 views6 answers
Tuple in python
Python
1 vote193 views1 answer
Bgr2gray opencv
Python
0 vote195 views1 answer
Python ftp login
Python
16 votes199 views6 answers
Dataframe to dictionary
Python
2 votes192 views1 answer
Blank=true
Python
1 vote187 views1 answer
Staticfiles
Python