code: def tabulate(data, header=True, headers=None, accessors=None,
               **table_options):
      
      if header and not headers:
          data = iter(data)
          try:
              headers = next(data)
          except StopIteration:
              pass
      if headers and hasattr(headers, 'items') and accessors is None:
          # Dict mode; Build accessors and headers from keys of data.
          data = itertools.chain([headers], data)
          accessors = list(headers)
          headers = [' '.join(map(str.capitalize, x.replace('_', ' ').split()))
                     for x in accessors]
      t = Table(headers=headers, accessors=accessors, **table_options)
      try:
          t.print(data)
      except RowsNotFound:
          pass
      return t
docs: Shortcut function to produce tabular output of data without the
      need to create and configure a Table instance directly. The function
      does however return a table instance when it's done for any further use
      by the user.