code: def extractImageDataByIds(
      self, imageIds: List[str]
  ) -> List[ImageData]:
      imageDataList = []
      for id in imageIds:
          imageData = self.nameToImageData[id]
          imageDataList.append(imageData)
      return imageDataList
  
imports: import datetime
  import logging
  from typing import Dict, List
  from MONAILabelReviewerLib.ImageData import ImageData
  from MONAILabelReviewerLib.MONAILabelReviewerEnum import Level
label_desc: Use image node_id 21 for calling the ImageDataExtractor obj's underlying member method code with example usage: obj.extractImageDataByIds(imageIds) and returns: imageDataList