code: def get_all(self, include_archived=False):
          
          return [conv for conv in self._conv_dict.values()
                  if not conv.is_archived or include_archived]
docs: Get all the conversations.
  
          Args:
              include_archived (bool): (optional) Whether to include archived
                  conversations. Defaults to ``False``.
  
          Returns:
              List of all :class:`.Conversation` objects.