code: def _get_span(taglist: List[Span]) -> Tuple[int, int]:
      i = taglist[0].start
      j = taglist[-1].end
      return i, j
  
file_path: camphr/packages/camphr_knp/camphr_knp/noun_chunker.py
imports: from typing import Iterable, List, Optional, Tuple
  import spacy
  from spacy.tokens import Doc, Span, Token
  from .consts import KNP_USER_KEYS
label_desc: Use image node_id 12 for calling a global function with example usage: _get_span(taglist) and returns: i,  j