The update() method adds elements from a set to another set.
Example
#!/usr/bin/python3
# -*- coding: UTF-8 -*-
A = {1,2,3,4}
B = {1,4,5,6}
C = {1,11}
A.update(B)
B.update(C)
print("The set A is",A)
print("The set B is",B)
Output:
The set A is {1, 2, 3, 4, 5, 6}
The set B is {1, 4, 5, 6, 11}
Syntax
set_x.update()(set_y)
Parameters
The method doesn’t take any parameters.
Return Value
It returns a new set.