text: in_file = open('vocabulary.txt', 'r', encoding='utf-8')
  
  for line in in_file:
      data = line.strip().split(": ")
      english_word = data[0]
      korean_word = data[1]
  
      guess = input("%s: " %(korean_word))
      if (guess == english_word):
          print("정답입니다.")
      else:
          print("아쉽습니다. 정답은 %s입니다." %(english_word))
  
  in_file.close()
  