code: def load(config):
      
  
      if config.sys_path:
          logger.debug("Appending %s to sys.path.", config.sys_path)
          sys.path.append(config.sys_path)
          logger.debug("sys.path is now %s", sys.path)
      if config.lookups:
          for key, handler in config.lookups.items():
              register_lookup_handler(key, handler)
  
      return config
docs: Loads a stacker configuration by modifying sys paths, loading lookups,
      etc.
  
      Args:
          config (:class:`Config`): the stacker config to load.
  
      Returns:
          :class:`Config`: the stacker config provided above.