code: def load_flag_values(self, flags=None):
      
      if flags is None:
        flags = self._flags
      for keyval in flags.config_value:
        k, v = keyval.split('=', 1)
        v = self._modules['yaml'].load(v) if isinstance(v, str) else v
  
        # Force any command line keys and values that are bytes to unicode.
        k = k.decode() if isinstance(k, bytes) else k
        v = v.decode() if isinstance(v, bytes) else v
  
        self._flag_values.setdefault(k, v)
docs: Load flag values given from command line flags.
  
      Args:
        flags: An argparse Namespace containing the command line flags.