Python Set discard() Method

Python discard() method discards or remove the elememt from the set. This method does not return anything, even no error if the elememt is not present. It takes a parameter which is an elememt to be removed. The method signature is given below.

Signature

Parameters

elem: element to be deleted.

Return

It returns None.

Let’s see some examples of discard() method to understand it’s functionality.

Python Set discard() Method Example 1

A simple example to use discard method to remove an element.

Output:

{1, 2, 3, 4, 5}  {1, 3, 4, 5}  

Python Set discard() Method Example 2

If the element is not present it returns none to the caller method.

Output:

{1, 2, 3, 4, 5}  None  

Python Set discard() Method Example 3

An example where we are implementing this method into a program. It removes all odds elements.

Output:

{1, 2, 3, 4, 5}  {2, 4}