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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 _download_initial_config(self):
 """Loads the initial config."""

        _initial_config = self._download_running_config()  # this is a bit slow!
        self._last_working_config = _initial_config
        self._config_history.append(_initial_config)
        self._config_history.append(_initial_config)