(s)
return white_space_fix(remove_articles(remove_punc(lower(s))))
Lower text and remove punctuation, articles and extra whitespace.
Lower text and remove punctuation, articles and extra whitespace.
Lower text and remove punctuation articles and extra whitespace .
def normalize_answer(s):
    """Lower text and remove punctuation, articles and extra whitespace."""
    def remove_articles(text):
        return re.sub(r'\b(a|an|the)\b', ' ', text)

    def white_space_fix(text):
        return ' '.join(text.split())

    def remove_punc(text):
        exclude = set(string.punctuation)
        return ''.join(ch for ch in text if ch not in exclude)

    def lower(text):
        return text.lower()

    return white_space_fix(remove_articles(remove_punc(lower(s))))
def normalize_answer ( s ) : def remove_articles ( text ) : return re . sub ( r'\b(a|an|the)\b' , ' ' , text ) def white_space_fix ( text ) : return ' ' . join ( text . split ( ) ) def remove_punc ( text ) : exclude = set ( string . punctuation ) return '' . join ( ch for ch in text if ch not in exclude ) def lower ( text ) : return text . lower ( ) return white_space_fix ( remove_articles ( remove_punc ( lower ( s ) ) ) )