def _in(field, filter_value):
        """Validate field **IN** string or list.

        Args:
            filter_value (string | list): A string or list of values.

        Returns:
            (boolean): Results of check
        """
        valid = False
        if field in filter_value:
            valid = True
        return valid
def _in ( field , filter_value ) : valid = False if field in filter_value : valid = True return valid
Validate field **IN** string or list.

        Args:
            filter_value (string | list): A string or list of values.

        Returns:
            (boolean): Results of check