code: def copy(self):
      return Conversation(
          system=self.system,
          roles=self.roles,
          messages=[[x, y] for x, y in self.messages],
          offset=self.offset,
          sep_style=self.sep_style,
          seps=self.seps,
      )
  
file_path: ColossalAI/applications/Colossal-LLaMA-2/colossal_llama2/dataset/conversation.py
imports: import dataclasses
  from enum import Enum, auto
  from typing import List
label_desc: Use image node_id 5 for calling the Conversation obj's underlying member method code with example usage: obj.copy() and returns: Conversation