Answer by plunker for Intersecting two dictionaries
None of the solutions so far solve the general case of intersecting N dictionaries.So, if you want to handle the intersection of N arbitrary dictionaries:from functools import reducedef...
View ArticleAnswer by soldovskij for Intersecting two dictionaries
To find full intersection by keys and valuesd1 = {'a':1}d2 = {'b':2, 'a':1}{x:d1[x] for x in d1 if x in d2 and d1[x] == d2[x]}>> {'a':1}
View ArticleAnswer by Aaron Goldman for Intersecting two dictionaries
def two_keys(term_a, term_b, index): doc_ids = set(index[term_a].keys()) & set(index[term_b].keys()) doc_store = index[term_a] # index[term_b] would work also return {doc_id: doc_store[doc_id] for...
View ArticleAnswer by WloHu for Intersecting two dictionaries
Your question isn't precise enough to give single answer.1. Key IntersectionIf you want to intersect IDs from posts (credits to James) do:common_ids = p1.keys() & p2.keys()However if you want to...
View ArticleAnswer by dccsillag for Intersecting two dictionaries
In Python 3, you can useintersection = dict(dict1.items() & dict2.items())union = dict(dict1.items() | dict2.items())difference = dict(dict1.items() ^ dict2.items())
View ArticleAnswer by thodnev for Intersecting two dictionaries
Okay, here is a generalized version of code above in Python3.It is optimized to use comprehensions and set-like dict views which are fast enough.Function intersects arbitrary many dicts and returns a...
View ArticleAnswer by emnoor for Intersecting two dictionaries
In [1]: d1 = {'a':1, 'b':4, 'f':3}In [2]: d2 = {'a':1, 'b':4, 'd':2}In [3]: d = {x:d1[x] for x in d1 if x in d2}In [4]: dOut[4]: {'a': 1, 'b': 4}
View ArticleAnswer by Phillip Cloud for Intersecting two dictionaries
A little known fact is that you don't need to construct sets to do this:Python 3d1 = {'a': 1, 'b': 2} d2 = {'b': 2, 'c': 3} print(d1.keys() & d2.keys()) # {'b'}Python 2In Python 2, we replace keys...
View ArticleAnswer by Eric Urban for Intersecting two dictionaries
Just wrap the dictionary instances with a simple class that gets both of the values you wantclass DictionaryIntersection(object): def __init__(self,dictA,dictB): self.dictA = dictA self.dictB = dictB...
View ArticleAnswer by James for Intersecting two dictionaries
In general, to construct the intersection of dictionaries in Python, you can first use the & operator to calculate the intersection of sets of the dictionary keys (dictionary keys are set-like...
View ArticleIntersecting two dictionaries
I am working on a search program over an inverted index. The index itself is a dictionary whose keys are terms and whose values are themselves dictionaries of short documents, with ID numbers as keys...
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