The issubset() method returns True if all elements of one set exist in another set, otherwise, it returns False.
Example
#!/usr/bin/python3
# -*- coding: UTF-8 -*-
A = {1,2,3,4}
B = {1, 2, 3,4,5,6}
C = {1,11}
print("The issubset between set A and set B is",A.issubset(B))
print("The issubset between set A and set C is",A.issubset(C))
print("The issubset between set C and set B is",B.issubset(C))
Output:
The issubset between set A and set B is True
The issubset between set A and set C is False
The issubset between set C and set B is False
Syntax
set_x.issubset(set_y)
Parameters
set-y — the set to search for equal items in one set.
Return Value
It returns True or False.