Python Set issubset() Method
Description
The issubset() method is used to determine whether all elements of a set are contained in a specified set. If yes, it returns True; otherwise, it returns False.
Syntax
The syntax of the issubset() method is as follows:
set.issubset(set)
Parameters
- set -- Required, the set to be compared and searched.
Return Value
Returns a boolean value. If all elements are contained, it returns True; otherwise, it returns False.
Examples
Determine whether all elements of set x are contained in set y:
Example 1
x = {"a", "b", "c"}
y = {"f", "e", "d", "c", "b", "a"}
z = x.issubset(y)
print(z)
The output result is:
True
If not all elements are contained, it returns False:
Example 1
x = {"a", "b", "c"}
y = {"f", "e", "d", "c", "b"}
z = x.issubset(y)
print(z)
The output result is:
False
Python Sets