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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _render_list(self, items, empty='<pre>&lt;empty&gt;</pre>'):
 """Renders an HTML list with the specified list of strings. Args: items: the iterable collection of objects to render. empty: what to render if the list is None or empty. """

    if not items or len(items) == 0:
      self._segments.append(empty)
      return
    self._segments.append('<ul>')
    for o in items:
      self._segments.append('<li>')
      self._segments.append(str(o))
      self._segments.append('</li>')
    self._segments.append('</ul>')