Python Built-in Methods – Python Set issuperset() Method

Python Set issuperset() Method

Determines whether all items in the specified set are present in the original set


The issuperset() method returns True if all items in the specified set are present in the original set, otherwise FALSE.



Parameter Condition Description
set Required A set to search for common items in

Basic Example

# Check if all items in B are present in A
A = {'red', 'green', 'blue', 'yellow'}
B = {'yellow', 'red'}
# Prints True

Equivalent Operator >=

You can achieve the same result by using the >= comparison operator.

A = {'red', 'green', 'blue', 'yellow'}
B = {'yellow', 'red'}
print(A >= B)
# Prints True

Find Proper Superset

To test whether the set is a proper superset of other, use > comparison operator.

Set A is considered a proper superset of B, if A is a superset of B, but A is not equal to B.

# Check if A is a proper superset of B
A = {'red', 'green', 'blue', 'yellow'}
B = {'yellow', 'red'}
print(A > B)
# Prints True

# Check if A is a proper superset of B
A = {'yellow', 'red'}
B = {'yellow', 'red'}
print(A > B)
# Prints False


Python Example for Beginners

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