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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 get(cls, identifier: Any) -> 'Entity': """Get a specific Record from the Repository :param identifier: id of the record to be fetched from the repository. """

        logger.debug(f'Lookup `{cls.__name__}` object with identifier {identifier}')
        # Get the ID field for the entity
        filters = {
            cls.meta_.id_field.field_name: identifier
        }

        # Find this item in the repository or raise Error
        results = cls.query.filter(**filters).limit(1).all()
        if not results:
            raise ObjectNotFoundError(
                f'`{cls.__name__}` object with identifier {identifier} '
                f'does not exist.')

        # Return the first result
        return results.first