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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 itemComment(self, commentId):
 """ returns details of a single comment """

        url = "%s/comments/%s" % (self.root, commentId)
        params = {
            "f": "json"
        }
        return self._get(url,
                            params,
                            securityHandler=self._securityHandler,
                            proxy_port=self._proxy_port,
                             proxy_url=self._proxy_url)