code: def read_nb_content(cells, mod_name):
      "Build a dictionary containing the position of the `cells`."
      doc_fns = {}
      for i, cell in enumerate(cells):
          if cell['cell_type'] == 'code':
              for match in SHOW_DOC_RE.findall(cell['source']):
                  doc_fns[match] = i
      return doc_fnf read_nb_content(cells, mod_name):
      "Build a dictionary containing the position of the `cells`."
      doc_fns = {}
      for i, cell in enumerate(cells):
          if cell['cell_type'] == 'code':
              for match in SHOW_DOC_RE.findall(cell['source']):
                  doc_fns[match] = i
      return doc_fns
docs: Build a dictionary containing the position of the `cells`.