code: def page(strng, start=0, screen_lines=0, pager_cmd=None):
      """Print a string, piping through a pager.
  
      This version ignores the screen_lines and pager_cmd arguments and uses
      IPython's payload system instead.
  
      Parameters
      ----------
      strng : str or mime-dict
        Text to page, or a mime-type keyed dict of already formatted data.
  
      start : int
        Starting line at which to place the display.
      """
  
      # Some routines may auto-compute start offsets incorrectly and pass a
      # negative value.  Offset to 0 for robustness.
      start = max(0, start)
      shell = get_ipython()
  
      if isinstance(strng, dict):
          data = strng
      else:
          data = {"text/plain": strng}
      payload = dict(
          source="page",
          data=data,
          start=start,
      )
      shell.payload_manager.write_payload(payload)
  
imports: import warnings
  from IPython.core.getipython import get_ipython
label_desc: Use image node_id 1 for calling a global function with example usage: page(strng, start, screen_lines, pager_cmd) without return types