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Python Set | union method
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schedule Jul 1, 2022
Last updated Python
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expand_more Python's set.union(~) method returns a new set with elements from all the provided sets.
Parameters
1. sets | set | optional
The sets from which we will include elements from.
Return value
A new set with elements from all the provided sets.
Examples
Basic usage
To return a new set with all elements from sets a, b, c:
a = {'dog', 'cat'}b = {'sheep', 'dog'}c ={'mouse', 'dog'}
a.union(b, c)
{'cat', 'dog', 'mouse', 'sheep'}
We can see that we return a new set containing all distinct elements from sets a, b, c. By definition, Sets do not allow duplicates values, hence 'dog' only appears once in the returned set.
Published by Arthur Yanagisawa
Edited by 0 others
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Official Python Documentation
https://docs.python.org/3/library/stdtypes.html#frozenset.union
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