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Python Set issubset() Method

❮ Set Methods

Example

Return True if all items in set x are present in set y:

x = {"a", "b", "c"}
y = {"f", "e", "d", "c", "b", "a"}

z = x.issubset(y)

print(z)
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Definition and Usage

The issubset() method returns True if all items in the set exists in the specified set, otherwise it retuns False.

Syntax

set.issubset(set)

Parameter Values

Parameter Description
set Required. The set to search for equal items in

More Examples

Example

What if not all items are present in the specified set?

Return False if not all items in set x are present in set y:

x = {"a", "b", "c"}
y = {"f", "e", "d", "c", "b"}

z = x.issubset(y)

print(z)
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❮ Set Methods