Bulk resolution of expressions
        Args:
            body, ExpressionOperation: The JSON encoded expression 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 getFingerprintsForExpressions(self, body, sparsity=1.0):
        """Bulk resolution of expressions
        Args:
            body, ExpressionOperation: The JSON encoded expression 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
        """
        return self._expressions.resolveBulkExpression(self._retina, body, sparsity)