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

intersection_update() method in Python set

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'}

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'}

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'}

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