Method discard

Lib/_collections_abc.py:710–712

Remove an element. Do not raise an exception if absent.

(self, value)

    @abstractmethod
    def discard(self, value):
        """Remove an element.  Do not raise an exception if absent."""
        raise NotImplementedError

    def remove(self, value):
        """Remove an element. If not a member, raise a KeyError."""