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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 create_reply(post_data):
        '''
        Create the reply.
        '''
        uid = tools.get_uuid()
        TabReply.create(
            uid=uid,
            post_id=post_data['post_id'],
            user_name=post_data['user_name'],
            user_id=post_data['user_id'],
            timestamp=tools.timestamp(),
            date=datetime.datetime.now(),
            cnt_md=tornado.escape.xhtml_escape(post_data['cnt_reply']),
            cnt_html=tools.markdown2html(post_data['cnt_reply']),
            vote=0
        )
        return uid