code: def _get_input_to_checker_function(self, flag_values):
      
      return dict([key, flag_values[key].value] for key in self.flag_names)
docs: Given flag values, returns the input to be given to checker.
  
      Args:
        flag_values: flags.FlagValues, the FlagValues instance to get flags from.
      Returns:
        dict, with keys() being self.lag_names, and value for each key
        being the value of the corresponding flag (string, boolean, etc).