code: def _process_cell(cell):
      tags = cell.metadata.get("tags")
      # TODO: show warning if more than one tag or tagged cell with no output
      return (
          None
          if (not tags or not cell.outputs)
          else (tags[0], cell.outputs)
      )
  
imports: import base64
  from collections.abc import Mapping
  import ast
  import parso
  import pandas
  import nbformat
  from IPython.display import Image, HTML
label_desc: Use image node_id 3 for calling a global function with example usage: _process_cell(cell) and returns: unknown