code: def find_one(self, **kwargs):
          
          kwargs["_limit"] = 1
          iterator = self.find(**kwargs)
          try:
              return next(iterator)
          except StopIteration:
              return None
docs: Works just like :py:meth:`find() <dataset.Table.find>` but returns one result, or None.
          ::
              row = table.find_one(country='United States')