def discard(self, element):
        try:
            self.remove(element)
        except KeyError:
            pass
Query your database from a file.
dataset/ETHPy150Open azoft-dev-team/imagrium/env/Lib/sets.py/Set.discard--crossover with--dataset/ETHPy150Open yhat/db.py/db/db.py/DB.query_from_file