code: def save_all(self, path, table_format='txt', sep='\t',
                   table_ext=None, float_format='%.12g'):
          
  
          if type(path) is str:
              path = path.rstrip('\\')
              path = Path(path)
  
          path.mkdir(parents=True, exist_ok=True)
  
          self.save(path=path,
                    table_format=table_format,
                    sep=sep,
                    table_ext=table_ext,
                    float_format=float_format)
  
          for ext, ext_name in zip(self.get_extensions(data=True),
                                   self.get_extensions()):
              ext_path = path / ext_name
  
              ext.save(path=ext_path,
                       table_format=table_format,
                       sep=sep,
                       table_ext=table_ext,
                       float_format=float_format)
          return self
docs: Saves the system and all extensions
  
          Extensions are saved in separate folders (names based on extension)
  
          Parameters are passed to the .save methods of the IOSystem and
          Extensions. See parameters description there.