code: def convert_time_stamp_to_date(content):
      '''Convert time stamp to date time format'''
      start_time_stamp = content.get('startTime')
      end_time_stamp = content.get('endTime')
      if start_time_stamp:
          start_time = datetime.datetime.utcfromtimestamp(start_time_stamp // 1000).strftime("%Y/%m/%d %H:%M:%S")
          content['startTime'] = str(start_time)
      if end_time_stamp:
          end_time = datetime.datetime.utcfromtimestamp(end_time_stamp // 1000).strftime("%Y/%m/%d %H:%M:%S")
          content['endTime'] = str(end_time)
      return contenf convert_time_stamp_to_date(content):
      '''Convert time stamp to date time format'''
      start_time_stamp = content.get('startTime')
      end_time_stamp = content.get('endTime')
      if start_time_stamp:
          start_time = datetime.datetime.utcfromtimestamp(start_time_stamp // 1000).strftime("%Y/%m/%d %H:%M:%S")
          content['startTime'] = str(start_time)
      if end_time_stamp:
          end_time = datetime.datetime.utcfromtimestamp(end_time_stamp // 1000).strftime("%Y/%m/%d %H:%M:%S")
          content['endTime'] = str(end_time)
      return content
docs: Convert time stamp to date time format