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raeq/dict_08_default.py

Created August 3, 2020 09:44
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Using a defaultdict
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dict_08_default.py
from collections import defaultdict as dd
s = [("John", "Male"), ("John", "48"), ("John", "Married"), ("Jane", "Female"),
("Jane", "25")]
dict1: dict = dd(list)
for k, v in s:
dict1[k].append(v)
assert dict1["John"] == ["Male", "48", "Married"]
assert dict1["Jane"] == ["Female", "25"]
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