text: import json
  
  from util import listToJson
  
  if __name__ == '__main__':
      courses: list = json.load(open('_pawsCourse.raw.json', 'r'))
  
      levels = set()
      for course in courses:
          level: str = course['level']
          if level is not None:
              levels.add(level)
  
      levels = list(levels)
  
      listToJson(levels, 'level')
  