code: def render(self, headings, algorithms):
      result = [".. list-table::", "   :header-rows: 1", ""]
  
      new_row = "   *"
      new_item = "     -"
  
      result.append(new_row)
      for heading in headings:
          rst = self._render_t(heading)
          result.append(f"{new_item} {rst}")
  
      for algorithm in algorithms:
          result.append(new_row)
          for heading in headings:
              rst = self._render_cell(algorithm.columns[heading])
              if rst:
                  result.append(f"{new_item} {rst}")
              else:
                  result.append(new_item)
  
      return "\n".join(result)
  
imports: import abc
  import argparse
  import contextlib
  import difflib
  import enum
  import glob
  import itertools
  import json
  import nbformat
  import os.path
  import re
  import subprocess
  import sys
  import textwrap
label_desc: Use image node_id 3 for calling the Rst obj's underlying member method code with example usage: obj.render(headings, algorithms) and returns: str