python defaultdict to dict
>>> #You can simply call dict:
>>> a
defaultdict(<type 'list'>, {'1': ['b', 'a'], '3': ['b'], '2': ['a']})
>>> dict(a)
{'1': ['b', 'a'], '3': ['b'], '2': ['a']}
# but remember that a defaultdict is a dict
# (with some special behavior, check source):
>>> isinstance(a, dict)
Truedefaultdict python dict inside dict
nums = [1, 2, 1, 1, 4, -4, 2, 2, 4, 2, 5, 7]
dict_in_dict = defaultdict(dict)
for i in range(0, len(nums), 3):
dict_in_dict[nums[i+1]][nums[i]] = -1*nums[i+2]
dict(dict_in_dict)
# result
# {2: {1: -1, 2: -4}, 4: {1: 4}, 5: {2: -7}}Copyright © 2021 Codeinu
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