How to create a dictionary from another dictionary in python
What is the best way to create a Show For example, suppose I have the following
I'd like to obtain
nbro 14.3k27 gold badges104 silver badges188 bronze badges asked Aug 24, 2012 at 21:46
Jaime RiveraJaime Rivera 1,2645 gold badges17 silver badges27 bronze badges 0 For instance:
answered Aug 24, 2012 at 21:48
Lev LevitskyLev Levitsky 61.1k20 gold badges142 silver badges170 bronze badges 5 Using dict comprehension:
answered Aug 24, 2012 at 21:49
Rostyslav DzinkoRostyslav Dzinko 38.5k5 gold badges49 silver badges60 bronze badges
update I recently figured out that there's a much cleaner way of doing that with
answered Aug 24, 2012 at 21:49
For anyone wanting a complete copy of dict1 without making a list of keys:
LundinCast 9,0144 gold badges36 silver badges47 bronze badges answered Jan 5, 2019 at 16:05
DanDan 871 silver badge1 bronze badge 4 Not sure how anyone didn't answer this. You can use double asterisk to deconstruct a dict, and that co-incidentally happens to work inside another dict too.
output:
This is the same as Javascript's ..., except that it's ** answered Feb 11, 2021 at 20:00
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pass mydict dictionary and key to be deleted, returns the remaining dictionary answered Aug 24, 2012 at 21:49
amitchhajeramitchhajer 12.1k6 gold badges39 silver badges52 bronze badges Can I make a dictionary of dictionaries in Python?In Python, a nested dictionary is a dictionary inside a dictionary. It's a collection of dictionaries into one single dictionary. Here, the nested_dict is a nested dictionary with the dictionary dictA and dictB . They are two dictionary each having own key and value.
How can you copy the entire dictionary to a new dictionary Python?How to copy a dictionary in Python. Use a for loop. A for loop can be used to iterate through the original dictionary and copy the elements into a new, empty dictionary one by one. ... . Use copy() This is a built-in Python function that can be used to create a shallow copy of a dictionary. ... . Use dict(). How can you copy the entire dictionary to a new dictionary?The dict. copy() method returns a shallow copy of the dictionary. The dictionary can also be copied using the = operator, which points to the same object as the original. So if any change is made in the copied dictionary will also reflect in the original dictionary.
Can a dictionary be a key in another dictionary Python?A dictionary or a list cannot be a key. Values, on the other hand, can literally be anything and they can be used more than once.
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