code: def __init__(
      self,
      start_index=0,
      end_index=0,
      left_bound=0,
      right_bound=0,
      left_char_bound=0,
      right_char_bound=0,
  ):
      self.start_index = start_index  # 命中的词的起始位置，char级别
      self.end_index = end_index  # 命中的词的结束位置，char级别
      self.left_bound = left_bound  # 原分词级别的起始位置
      self.right_bound = right_bound  # 原分词级别的结束位置
      self.left_char_bound = left_char_bound  # 原 char 级别的起始位置
      self.right_char_bound = right_char_bound
  
imports: import io
  import numpy
  import six
label_desc: Use image node_id 1 to create a new Bound object from inherited base classes: object with example: obj = Bound(start_index, end_index, left_bound, right_bound, left_char_bound, right_char_bound)