def get_data_retrieval_policy(accountId=None):
    """
    This operation returns the current data retrieval policy for the account and region specified in the GET request. For more information about data retrieval policies, see Amazon Glacier Data Retrieval Policies .
    See also: AWS API Documentation
    
    Examples
    The example returns the current data retrieval policy for the account.
    Expected Output:
    
    :example: response = client.get_data_retrieval_policy(
    
    )
    
    
    :type accountId: string
    :param accountId: The AccountId value is the AWS account ID. This value must match the AWS account ID associated with the credentials used to sign the request. You can either specify an AWS account ID or optionally a single '- ' (hyphen), in which case Amazon Glacier uses the AWS account ID associated with the credentials used to sign the request. If you specify your account ID, do not include any hyphens ('-') in the ID.
            Note: this parameter is set to '-' bydefault if no value is not specified.
            

    :rtype: dict
    :return: {
        'Policy': {
            'Rules': [
                {
                    'Strategy': 'string',
                    'BytesPerHour': 123
                },
            ]
        }
    }
    
    
    """
    pass
