class_docstr: Memory class to store the conversations
class_docstr_tok: ["Memory","class","to","store","the","conversations"]
code: def last(self) -> dict:
      return self._messages[-1]
  
file_path: pandas-ai/pandasai/helpers/memory.py
imports: from typing import Union
label_desc: Use image node_id 5 for calling the Memory obj's underlying member method code with example usage: obj.last() and returns: self