parser.add_argument('--id', type=int, help='search by database id')
parser.add_argument('--surname', help='search by author\'s surname')
parser.add_argument('--name', help='search by author\'s name')
parser.add_argument('--id', type=int, help='search by database id')
parser.add_argument('--surname', help='search by author\'s surname')
parser.add_argument('--name', help='search by author\'s name')