code: def render_value(value):
      if isinstance(value, list):
          return '[' + ', '.join(render_value(v) for v in value) + ']'
      elif isinstance(value, dict):
          return (
              '{' +
              ', '.join('{k!r}: {v}'.format(
                  k=k, v=render_value(v)) for k, v in sorted(value.items())) +
              '}')
      else:
          return repr(value)