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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _normalize(self, name):
 """ Normalizes a legislator name by stripping titles from the front, converting to lowercase and removing punctuation. """

        name = re.sub(
            r'^(Senator|Representative|Sen\.?|Rep\.?|'
            'Hon\.?|Right Hon\.?|Mr\.?|Mrs\.?|Ms\.?|L\'hon\.?|'
            'Assembly(member|man|woman)) ',
            '',
            name)
        return name.strip().lower().replace('.', '')