Answers for "two lists to dictionary python"

23

create dictionary python from two lists

>>> keys = ['a', 'b', 'c']
>>> values = [1, 2, 3]
>>> dictionary = dict(zip(keys, values))
>>> print(dictionary)
{'a': 1, 'b': 2, 'c': 3}
Posted by: Guest on May-21-2020
1

create dict from two lists

keys = ['a', 'b', 'c']
values = [1, 2, 3]
dictionary = dict(zip(keys, values))
Posted by: Guest on March-16-2021
1

convert two lists to a single dictionary python

#initialize lists

key_list = ['red', 'green', 'blue']
value_list = [1, 2, 3]

#convert lists

my_dict = {} 
for key in key_list: 
    for value in value_list: 
        my_dict[key] = value 
        value_list.remove(value) 
        break  
print(my_dict)
Posted by: Guest on January-04-2021
1

how to merge a list of dictionaries in python

from collections import defaultdict
dict_list = {
	1: [{
			"x": "test_1",
			"y": 1
		},
		{
			"x": "test_2",
			"y": 1
		}, {
			"x": "test_1",
			"y": 2
		}
	],
}
print(dict_list) # {1: [{'x': 'test_1', 'y': 1}, {'x': 'test_2', 'y': 1}, {'x': 'test_1', 'y': 2}]}

data = dict()
for key, value in dict_list.items():
    tmp = defaultdict(int)
    for index, item in enumerate(value):
        tmp[item.get("x") ] += item.get("y")

    for tmp_key, tmp_value in tmp.items():
        data.setdefault(key, []).append(
            {
                "x": tmp_key,
                "y": tmp_value
            }
        )
print(data) # {1: [{'x': 'test_1', 'y': 3}, {'x': 'test_2', 'y': 1}]}

# test 1 values is added together
Posted by: Guest on February-27-2021
0

dictionary from two list

feat_dic = dict(zip(X.columns, feat_imp))
Posted by: Guest on August-09-2021

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