code: def wordify(text):
      
      stopset = set(nltk.corpus.stopwords.words('english'))
      tokens = nltk.WordPunctTokenizer().tokenize(text)
      return [w for w in tokens if w not in stopset]
docs: Generate a list of words given text, removing punctuation.
  
      Parameters
      ----------
      text : unicode
          A piece of english text.
  
      Returns
      -------
      words : list
          List of words.