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Solve the following problem using Python, implementing the functions described below, one line at a time
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<USER_TASK:>
Description:
 def deleteComment(self, commentId):
 """ removes a comment from an Item Inputs: commentId - unique id of comment to remove """

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