Bulk get Fingerprint for text.
        Args:
            strings, list(str): A list of texts to be evaluated (required)
            sparsity, float: Sparsify the resulting expression to this percentage (optional)
        Returns:
            list of Fingerprint
        Raises:
            CorticalioException: if the request was not successful

def getFingerprintsForTexts(self, strings, sparsity=1.0):
        """Bulk get Fingerprint for text.
        Args:
            strings, list(str): A list of texts to be evaluated (required)
            sparsity, float: Sparsify the resulting expression to this percentage (optional)
        Returns:
            list of Fingerprint
        Raises:
            CorticalioException: if the request was not successful
        """
        body = [{"text": s} for s in strings]
        return self._text.getRepresentationsForBulkText(self._retina, json.dumps(body), sparsity)