code: def negated(input_words, include_nt=True):
      
      input_words = [str(w).lower() for w in input_words]
      neg_words = []
      neg_words.extend(NEGATE)
      for word in neg_words:
          if word in input_words:
              return True
      if include_nt:
          for word in input_words:
              if "n't" in word:
                  return True
      if "least" in input_words:
          i = input_words.index("least")
          if i > 0 and input_words[i - 1] != "at":
              return True
      return False
docs: Determine if input contains negation words