code: def __init__(self, opt, shared=None):
      opt = copy.deepcopy(opt)
      opt["task"] = ",".join(
          "babi:Task1k:%d" % (i + 1) for i in range(20)
      )
      super().__init__(opt, shared)
  
imports: from parlai.core.teachers import FbDeprecatedDialogTeacher, MultiTaskTeacher
  from .build import build
  import copy
  import os
label_desc: Use image node_id 1 to create a new All1kTeacher object from inherited base classes: MultiTaskTeacher with example: obj = All1kTeacher(opt, shared)