code: def load_data_subject_areas(subject_file):
      
      lst = []
      if os.path.exists(subject_file):
          with open(subject_file, 'r') as f:
              for line in f:
                  lst.append(line.strip())
      else:
          print('MISSING DATA FILE (subject_file) ' , subject_file)
          print('update your config.py or config.txt')
      return lst
docs: reads the subject file to a list, to confirm config is setup