code: def load_feedback():
      
      result = {}
      if os.path.exists(_feedback_file):
          f = open(_feedback_file, 'r')
          cont = f.read()
          f.close()
      else:
          cont = '{}'
  
      try:
          result = json.loads(cont) if cont else {}
      except ValueError as e:
          result = {"result":"crash", "text":"Feedback file has been modified by user !"}
      return result
docs: Open existing feedback file