code: def getApprovedVersionTagElseReturnLatestVersion(self) -> str:
      latest = 0
      latestVersion = ""
  
      if len(self.segmentationMetaDict) == 1:
          return [*self.segmentationMetaDict.keys()][0]
  
      for tag, segmentationMeta in self.segmentationMetaDict.items():
          if segmentationMeta.getStatus() == self.STATUS.APPROVED:
              return tag
  
          version = segmentationMeta.getVersionNumber()
  
          if latest < version:
              latest = version
              latestVersion = tag
  
      return latestVersion
  
imports: import logging
  from datetime import datetime
  from typing import Dict, List
  from MONAILabelReviewerLib.MONAILabelReviewerEnum import SegStatus
  from MONAILabelReviewerLib.SegmentationMeta import SegmentationMeta
label_desc: Use image node_id 38 for calling the ImageData obj's underlying member method code with example usage: obj.getApprovedVersionTagElseReturnLatestVersion() and returns: latestVersion, list, tag