code: def page_dumb(strng, start=0, screen_lines=25):
      """Very dumb 'pager' in Python, for when nothing else works.
  
      Only moves forward, same interface as page(), except for pager_cmd and
      mode.
      """
      if isinstance(strng, dict):
          strng = strng.get("text/plain", "")
      out_ln = strng.splitlines()[start:]
      screens = chop(out_ln, screen_lines - 1)
      if len(screens) == 1:
          print(os.linesep.join(screens[0]))
      else:
          last_escape = ""
          for scr in screens[0:-1]:
              hunk = os.linesep.join(scr)
              print(last_escape + hunk)
              if not page_more():
                  return
              esc_list = esc_re.findall(hunk)
              if len(esc_list) > 0:
                  last_escape = esc_list[-1]
          print(last_escape + os.linesep.join(screens[-1]))
  
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 3 for calling a global function with example usage: page_dumb(strng, start, screen_lines) without return types