code: def get_config(self):
          
          config = {}
  
          for _, curriculum in self.brains_to_curriculums.items():
              curr_config = curriculum.get_config()
              config.update(curr_config)
  
          return config
docs: Get the combined configuration of all curriculums in this
          MetaCurriculum.
  
          Returns:
              A dict from parameter to value.