Python set discard method removes single elements from the set. It removes the specified item from the set. This method returns None.
set.discard(value) Example Set discard Python
Simple example code.
num_set = {1, 2, 3, 4, 5}
num_set.discard(3)
print(num_set)Output:
Diffrence between Set discard() vs remove() vs pop() method
set.remove(item)
This operation removes elements from the set. If the element does not exist, it raises a KeyError. The remove(item) method returns None.
Read more: Python Set remove method
set.discard(item)
This operation also removes elements from the set. But If an element does not exist, it does not raise a KeyError. The discard(item) method returns None.
set.pop()
The python pop() method removes and returns an arbitrary element from the set. If there are no elements to remove, it raises a KeyError.
Read more: Python set pop method
Do comment if you have any doubts or suggestions on this Python set topic.
Note: IDE: PyCharm 2021.3.3 (Community Edition)
Windows 10
Python 3.10.1
All Python Examples are in Python 3, so Maybe its different from python 2 or upgraded versions.