code: def get_pager_start(pager, start):
      """Return the string for paging files with an offset.
  
      This is the '+N' argument which less and more (under Unix) accept.
      """
  
      if pager in ["less", "more"]:
          if start:
              start_string = "+" + str(start)
          else:
              start_string = ""
      else:
          start_string = ""
      return start_string
  
imports: import os
  import io
  import re
  import sys
  import tempfile
  import subprocess
  from io import UnsupportedOperation
  from pathlib import Path
  from IPython import get_ipython
  from IPython.display import display
  from IPython.core.error import TryNext
  from IPython.utils.data import chop
  from IPython.utils.process import system
  from IPython.utils.terminal import get_terminal_size
  from IPython.utils import py3compat
label_desc: Use image node_id 9 for calling a global function with example usage: get_pager_start(pager, start) and returns: start_string