python 3 how to set a dictionary from two lists
mydict = dict(zip(list1, list2))python 3 how to set a dictionary from two lists
mydict = dict(zip(list1, list2))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 togetherCopyright © 2021 Codeinu
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