Method remove

Lib/_collections_abc.py:714–718

Remove an element. If not a member, raise a KeyError.

(self, value)

        raise NotImplementedError

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

    def pop(self):
        """Return the popped value.  Raise KeyError if empty."""