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merge a list of dictionaries python

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Nasty Narwhal answered on May 20, 2020 Popularity 10/10 Helpfulness 4/10

answer merge a list of dictionaries python

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merge a list of dictionaries python

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>>> from collections import ChainMap
>>> a = [{'a':1},{'b':2},{'c':1},{'d':2}]
>>> dict(ChainMap(*a))
{'b': 2, 'c': 1, 'a': 1, 'd': 2}

Popularity 10/10 Helpfulness 4/10 Language python

Source: stackoverflow.com

Tags: list merge python

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Contributed on Oct 13 2020

Nasty Narwhal

0 Answers Avg Quality 2/10

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python merge two dictionaries

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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'}

Popularity 10/10 Helpfulness 6/10 Language python

Source: www.python-engineer.com

Tags: merge merg

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Contributed on Oct 20 2021

Creepy Caterpillar

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python join two lists as dictionary

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# using zip()
# to convert lists to dictionary

# initializing lists
test_keys = ["Rash", "Kil", "Varsha"]
test_values = [1, 4, 5]
  
res = dict(zip(test_keys, test_values))

Popularity 9/10 Helpfulness 5/10 Language python

Source: www.geeksforgeeks.org

Tags: dictionary d

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Contributed on Feb 16 2022

Gerson marques

0 Answers Avg Quality 2/10

python merge dictionaries

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# 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}

Popularity 10/10 Helpfulness 5/10 Language python

Source: Grepper

Tags: merge merg

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Contributed on Feb 16 2021

VasteMonde

0 Answers Avg Quality 2/10

Merge dictionaries in python

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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)

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Source: favtutor.com

Tags: merge merg

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Contributed on Nov 15 2021

Itchy Impala

0 Answers Avg Quality 2/10

python merge dictionaries

Comment

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

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Source: Grepper

Tags: merge merg

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Contributed on May 20 2020

MitroGr

0 Answers Avg Quality 2/10

Python merge two dictionaries

Comment

# Python 3.9
z = x | y

# Python 3.5
z = {**x, **y}

# Python <= 3.4
def merge_two_dicts(x, y):
    z = x.copy()   # start with keys and values of x
    z.update(y)    # modifies z with keys and values of y
    return z

z = merge_two_dicts(x, y)

Popularity 9/10 Helpfulness 4/10 Language python

Source: stackoverflow.com

Tags: merge merg

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Contributed on May 26 2022

Intempestive Al Dente

0 Answers Avg Quality 2/10

python Merge Two Dictionaries

Comment

dict_1 = {1: 'a', 2: 'b'}
dict_2 = {2: 'c', 4: 'd'}

dict_3 = dict_2.copy()
dict_3.update(dict_1)

print(dict_3)

Popularity 9/10 Helpfulness 4/10 Language python

Source: www.programiz.com

Tags: merge merg

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Contributed on Jul 26 2022

Jinn world

0 Answers Avg Quality 2/10

merge dicts python

Comment

z = x | y          # NOTE: 3.9+ ONLY
z = {**x, **y}		# NOTE: 3.5+ ONLY

Popularity 10/10 Helpfulness 4/10 Language python

Source: stackoverflow.com

Tags: merge merg

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Contributed on Sep 18 2021

Nervous Nightingale

0 Answers Avg Quality 2/10

merged all dictionaries in a list python

Comment

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

Popularity 9/10 Helpfulness 3/10 Language python

Source: stackoverflow.com

Tags: list

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Contributed on Aug 03 2020

Colorful Crab

0 Answers Avg Quality 2/10

merge a list of dictionaries python

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merge a list of dictionaries python

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