Web Reference: Jan 16, 2026 · Python provides two methods for this: discard () and remove (). Both methods delete elements, but they behave differently when the element does not exist in the set. discard () method removes an element if it exists in the set. If the element is not present, it does nothing, no error is raised. May 19, 2017 · remove(elem): Remove element elem from the set. Raises KeyError if elem is not contained in the set. discard(elem): Remove element elem from the set if it is present. That is: remove raises an error, discard not. I have a code for discard and remove function in Python 3. The discard() method removes the specified item from the set. This method is different from the remove() method, because the remove() method will raise an error if the specified item does not exist, and the discard() method will not.
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