Python Set add method with Example – Python Tutorial

7 months ago Lalit Bhagtani 0

In this tutorial, we will learn about python set add method.
Python Set Add

add method :

This method is used to insert single immutable element ( passed as an argument ) in the set object. If we try to insert an element, which is already exist in the set object. It won’t insert that element again in the set. Element ( passed as an argument ) must be of immutable type like string, integer, float. If we try to insert a mutable type element like list, it will raises a TypeError.

Syntax : < Set Object >.add( < Immutable Object > ) 

Example:

# create empty set object and assign it to variable s s = set() # add element 1 in the set object s.add(1) # add element 2 in the set object s.add(2) # print all elements of set print(s) # add element 2 in the set object s.add(2) # print all elements of set print(s) # element 2 is not added second time # add list [1,2,3] in the set object s.add([1,2,3]) # TypeError is raised as list is not immutable type

References :-

  1. add method Docs

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