code: def _add_to_conf(self, new_conf):
          
  
          for section in new_conf:
              if section not in self.conf:
                  self.conf[section] = new_conf[section]
              else:
                  for param in new_conf[section]:
                      self.conf[section][param] = new_conf[section][param]
docs: Add new configuration to self.conf.
  
          Adds configuration parameters in new_con to self.conf.
          If they already existed in conf, overwrite them.
  
          :param new_conf: new configuration, to add