code: def __init__(self, start: int, end: int, label: str):
      self.start = start
      self.end = end
      self.label = label
  
imports: import itertools
  import os
  import re
  from string import Template
  from typing import Any, Callable, Dict, List, NamedTuple, Optional, Tuple
  from tokenizers import Encoding, Tokenizer
label_desc: Use image node_id 1 to create a new Annotation object  with example: obj = Annotation(start, end, label)