intersection_update() method update the set with common elements of the sets

Update the main set with common elements only.

Using intersection_update() method

A={'a','b','c'}
B={'a','y','z'}
A.intersection_update(B)
print(A)

Output

{'a'}

Using more than one sets

We can use any number of sets with intersection_update()

A={'a','b','c'}
B={'a','y','z'}
C={'a','k','l'}
A.intersection_update(B,C)
print(A)

Output

{'a'}

intersection_update() method

Using string ( iterable object ) with intersection_update() method

A={'a','b','c','x','y'}
B='Alex'
A.intersection_update(B)
print(A)

Output

{'x'}

Using list with intersection_update() method.

A={'a','b','c'}
B=['a','x','y']
A.intersection_update(B)
print(A)

Output

{'a'}

All set methods Questions with solutions on set
intersection() union() difference() symmetric_difference()

tuple set Dictionary Python- Tutorials

Subhendu Mohapatra

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intersection_update() method in Python set

Using intersection_update() method

Using more than one sets

intersection_update() method

Subhendu Mohapatra