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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(self, direction=0):
 """Vote for the given item in the direction specified. Note: votes must be cast by humans. That is, API clients proxying a human's action one-for-one are OK, but bots deciding how to vote on content or amplifying a human's vote are not. See the reddit rules for more details on what constitutes vote cheating. Source for note: http://www.reddit.com/dev/api#POST_api_vote :returns: The json response from the server. """

        url = self.reddit_session.config['vote']
        data = {'id': self.fullname,
                'dir': six.text_type(direction)}
        if self.reddit_session.user:
            # pylint: disable=W0212
            urls = [urljoin(self.reddit_session.user._url, 'disliked'),
                    urljoin(self.reddit_session.user._url, 'liked')]
            # pylint: enable=W0212
            self.reddit_session.evict(urls)
        return self.reddit_session.request_json(url, data=data)