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In this Python guide, we will go through the set itersection_update() method with the help of examples. Python set intersection_update() method is used to remove all the items that not present in the sets.
Before going through this article, you should have knowledge of Python set.
Headings of Contents
Python Set intersection_update() Method
set intersection_update() method is a set method that is used to remove all the items that are present in both sets ( or all the set passed into intersection_update() method.)
Syntax
The syntax of set intersection_update() method is:-
set.intersection_update(set1, set2,.....etc)Parameter
intersection_update function in Python takes multiple parameters.
- set1 – Required. A set to search for equal items.
- set2 – Optional. A set to search for equal items.
Return Value
set intersection_update() method does not return new set it update the original set.
Set intersection_update() example
Example 1:
set1 = {'Python', 'Java', 'JavaScript', 'C++'}
set2 = {'HTML', 'CSS', 'Python', 'C++'}
set1.intersection_update(set2)
print(set1)Output will be:- {‘C++’, ‘Python’}
Example 2:
my_set1 = {'Python', 'Java', 'JavaScript', 'C++'}
my_set2 = {'HTML', 'CSS', 'Python', 'C++'}
my_set3 = {'Ruby','C++','Python', 'Lua'}
result = my_set1.intersection(my_set2, my_set3)
print(result)Output will be:- {‘C++’, ‘Python’}
Conclusion
Here we have learned all about the intersection_update function in python. Python set intersection() method returns a new set that contains only items that exist in both sets. intersection function in Python accepts more than one parameters
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Other set methods
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