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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 vote(cls):
 """Cast a public vote for this comic."""

        url = configuration.VoteUrl + 'count/'
        uid = get_system_uid()
        data = {"name": cls.getName().replace('/', '_'), "uid": uid}
        page = urlopen(url, cls.session, data=data)
        return page.text