code: def getFingerprintsForTexts(self, strings, sparsity=1.0):
          
          body = [{"text": s} for s in strings]
          return self._text.getRepresentationsForBulkText(self._retina, json.dumps(body), sparsity)
docs: 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