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python merge list of dict into single dict

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gdfelt answered on April 7, 2020 Popularity 10/10 Helpfulness 3/10

answer python merge list of dict into single dict

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related Convert two lists into a dictionary(python)

related make dict from 2 lists

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python merge list of dict into single dict

Comment

l = [{'a': 0}, {'b': 1}, {'c': 2}, {'d': 3}, {'e': 4, 'a': 4}]
d = {k: v for x in l for k, v in x.items()}
print(d)
# {'a': 4, 'b': 1, 'c': 2, 'd': 3, 'e': 4}

Popularity 10/10 Helpfulness 3/10 Language python

Source: Grepper

Tags: list merge python

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Contributed on Sep 22 2021

gdfelt

0 Answers Avg Quality 2/10

Closely Related Answers

create dictionary python from two lists

Comment

>>> keys = ['a', 'b', 'c']
>>> values = [1, 2, 3]
>>> dictionary = dict(zip(keys, values))
>>> print(dictionary)
{'a': 1, 'b': 2, 'c': 3}

Popularity 10/10 Helpfulness 10/10 Language python

Source: stackoverflow.com

Tags: dictionary d

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Contributed on May 21 2020

Defeated Dotterel

0 Answers Avg Quality 2/10

create dict from two lists

Comment

keys = ['a', 'b', 'c']
values = [1, 2, 3]
dictionary = dict(zip(keys, values))

Popularity 10/10 Helpfulness 4/10 Language python

Source: Grepper

Tags: python py

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Contributed on Mar 16 2021

Real Raccoon

0 Answers Avg Quality 2/10

Converting Two Lists Into a Dictionary

Comment

column_names = ['id', 'color', 'style']
column_values = [1, 'red', 'bold']

# Convert two lists into a dictionary with zip and the dict constructor
name_to_value_dict = dict(zip(column_names, column_values))

# Convert two lists into a dictionary with a dictionary comprehension
name_to_value_dict = {key:value for key, value in zip(column_names, column_values)}

# Convert two lists into a dictionary with a loop
name_value_tuples = zip(column_names, column_values) 
name_to_value_dict = {} 
for key, value in name_value_tuples: 
  if key in name_to_value_dict: 
    pass # Insert logic for handling duplicate keys 
  else: 
    name_to_value_dict[key] = value

Popularity 8/10 Helpfulness 4/10 Language python

Source: dev.to

Tags: dictionary d

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Contributed on Sep 30 2022

David K.

0 Answers Avg Quality 2/10

merge a list of dictionaries python

Comment

>>> 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

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Contributed on Oct 13 2020

Nasty Narwhal

0 Answers Avg Quality 2/10

how to merge two dictionaries with same keys in python

Comment

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)

Popularity 10/10 Helpfulness 4/10 Language python

Source: stackoverflow.com

Tags: merge merg

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Contributed on Dec 08 2021

Prickly Peacock

0 Answers Avg Quality 2/10

Convert two lists into a dictionary(python)

Comment

keys = ['Ten', 'Twenty', 'Thirty']
values = [10, 20, 30]

res_dict = dict(zip(keys, values))
print(res_dict)

Popularity 7/10 Helpfulness 3/10 Language python

Source: pynative.com

Tags: python

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Contributed on Nov 21 2022

Tired Turkey

0 Answers Avg Quality 2/10

make dict from 2 lists

Comment

keys = ['a', 'b', 'c']
values = [1, 2, 3]
dictionary = dict(zip(keys, values))
print(dictionary) # {'a': 1, 'b': 2, 'c': 3}

Popularity 8/10 Helpfulness 2/10 Language python

Source: Grepper

Tags: python

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Contributed on Oct 29 2022

Realhardik18

0 Answers Avg Quality 2/10

merge two list of dictionaries python with string

Comment

import pandas as pd

l1 = [{'id': 9, 'av': 4}, {'id': 10, 'av': 0}, {'id': 8, 'av': 0}]
l2 = [{'id': 9, 'nv': 45}, {'id': 10, 'nv': 0}, {'id': 8, 'nv': 30}]

df1 = pd.DataFrame(l1).set_index('id')
df2 = pd.DataFrame(l2).set_index('id')
df = df1.merge(df2, left_index=True, right_index=True)
df.T.to_dict()
# {9: {'av': 4, 'nv': 45}, 10: {'av': 0, 'nv': 0}, 8: {'av': 0, 'nv': 30}}

Popularity 9/10 Helpfulness 2/10 Language python

Source: codereview.stackexchange.com

Tags: list

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Contributed on Apr 07 2020

Nutty Narwhal

0 Answers Avg Quality 2/10

create a dict from two lists

Comment

zip_iterator = zip(keys_list, values_list)

Popularity 9/10 Helpfulness 2/10 Language python

Source: www.kite.com

Tags: python py

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Contributed on Feb 27 2022

Eager Elk

0 Answers Avg Quality 2/10

python merge list of dict into single dict

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python merge list of dict into single dict

Closely Related Answers

create dictionary python from two lists

create dict from two lists

Converting Two Lists Into a Dictionary

merge a list of dictionaries python

how to merge two dictionaries with same keys in python

Convert two lists into a dictionary(python)

make dict from 2 lists

merge two list of dictionaries python with string

create a dict from two lists

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