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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def store(self, thing):
 """ Simple persistence method """

        to_store = {'field1': thing.field1,
                    'date_field': thing.date_field,
                    }
        to_store['stuff'] = Binary(cPickle.dumps(thing.stuff))
        # Respect any soft-quota on write - raises if stats().totals.size > quota 
        self._arctic_lib.check_quota()
        self._collection.insert_one(to_store)