def get_iam_service_account_email(project_id, account_id):
    """
    Return the service account email given the id and project id

    Args:
        project_id (str): Project Identifier where service account lives
        account_id (str): The account id originally provided during creation

    Returns:
        str: Service account email
    """
    return account_id + "@" + project_id + ".iam.gserviceaccount.com"