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Python Set difference_update() Method

❮ Set Methods

Example

Remove the items that exist in both sets:

x = {"apple", "banana", "cherry"}
y = {"google", "microsoft", "apple"}

x.difference_update(y)

print(x)
Try it Yourself »

Definition and Usage

The difference_update() method removes the items that exist in both sets.

The difference_update() method is different from the difference() method, because the difference() method returns a new set, without the unwanted items, and the difference_update() method removes the unwanted items from the original set.

Syntax

set.difference_update(set)

Parameter Values

Parameter Description
set Required. The set to check for differences in

❮ Set Methods