code: def _get_version_properties(self):
          
          # Parse out version info
          output = self.enable('show version')
          self._version = str(output[0]['result']['version'])
          match = re.match('[\d.\d]+', output[0]['result']['version'])
          if match:
              self._version_number = str(match.group(0))
          else:
              self._version_number = str(output[0]['result']['version'])
          # Parse out model number
          match = re.search('\d\d\d\d', output[0]['result']['modelName'])
          if match:
              self._model = str(match.group(0))
          else:
              self._model = str(output[0]['result']['modelName'])
docs: Parses version and model information out of 'show version' output
          and uses the output to populate class properties.