Table of Contents
The discard() method removes a specified element from the set (if present).
The syntax of discard() in Python is:
s.discard(x)
1. discard() Parameters
discard() method takes a single element x and removes it from the set (if present).
2. Return Value from discard()
discard() removes element x from the set if the element is present.
This method returns None (meaning, absence of a return value).
3. Example 1: How discard() works?
numbers = {2, 3, 4, 5}
numbers.discard(3)
print('numbers = ', numbers)
numbers.discard(10)
print('numbers = ', numbers)
Output
numbers = {2, 4, 5}
numbers = {2, 4, 5}
4. Example 2: How discard() works?
numbers = {2, 3, 5, 4}
# Returns None
# Meaning, absence of a return value
print(numbers.discard(3))
print('numbers =', numbers)
Output
None
numbers = {2, 4, 5}
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