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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 _handle_runs(self, relpath, params):
 """Show a listing of all pants runs since the last clean-all."""

    runs_by_day = self._partition_runs_by_day()
    args = self._default_template_args('run_list.html')
    args['runs_by_day'] = runs_by_day
    content = self._renderer.render_name('base.html', args).encode("utf-8")
    self._send_content(content, 'text/html')