Answers for "python initialize dictionary of lists"

python initialize dictionary with lists

dict_ = {key:[] for key in keys}

Posted by: Guest on March-15-2021

initialize a dict from list

dict.fromkeys(["key1", "key2", "key3"], "value")
{'key1': 'value', 'key2': 'value', 'key3': 'value'}

Posted by: Guest on December-05-2020

python initialize dict with empty list values

from collections import defaultdict
data = defaultdict(list)
data[1].append('hello')

Posted by: Guest on December-14-2020

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