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merge two list of dictionaries python with string

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Nutty Narwhal answered on April 7, 2020 Popularity 9/10 Helpfulness 2/10

answer merge two list of dictionaries python with string

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merge two list of dictionaries python with string

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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 merge python string

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Contributed on Apr 07 2020

Nutty Narwhal

0 Answers Avg Quality 2/10

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convert 2 lists to a dictionary in python

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""" How to convert 2 lists into a dictionary in python """
# list used for keys in dictionary
students = ["Angela", "James", "Lily"]

# list of values
scores = [56, 76, 98]

# convert lists to dictionary
student_scores = dict(zip(students, scores))

# print the dictionary
print(student_scores)

""" result should be
student_scores: -{
        Angela: 56,
        James: 76,
        Lily: 98
    },
"""

Popularity 8/10 Helpfulness 5/10 Language python

Source: Grepper

Tags: dictionary d

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Contributed on Nov 05 2022

lundeen-bryan

0 Answers Avg Quality 2/10

python join two lists as dictionary

Comment

# 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

Convert two lists into a dictionary in Python

Comment

>>> students = ["Cody", "Ashley", "Kerry"]
>>> grades = [93.5, 95.4, 82.8]
>>> {s: g for s, g in zip(students, grades)}
{'Cody': 93.5, 'Ashley': 95.4, 'Kerry': 82.8}

Popularity 9/10 Helpfulness 4/10 Language python

Source: how.wtf

Tags: dictionary d

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Contributed on Mar 14 2022

AttractivePenguin

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

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

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Contributed on Sep 22 2021

gdfelt

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

convert 2 lists into dictionary

Comment

# convert 2 list into dictionary
a = ['gsw','lakers','clippers']
b = [1,2,3]
my_dict = dict(zip(a,b))
print(my_dict)					# {'gsw': 1, 'lakers': 2, 'clippers': 3}

Popularity 9/10 Helpfulness 2/10 Language python

Source: Grepper

Tags: dictionary d

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Contributed on Mar 25 2022

Impossible Impala

0 Answers Avg Quality 2/10

python two list into dictinaray

Comment

index = [1, 2, 3]
languages = ['python', 'c', 'c++']

dictionary = dict(zip(index, languages))
print(dictionary)

Popularity 8/10 Helpfulness 2/10 Language python

Source: www.programiz.com

Tags: list python

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Contributed on Jul 26 2022

Jinn world

0 Answers Avg Quality 2/10

merge two list of dictionaries python with string

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merge two list of dictionaries python with string

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