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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 logout(self):
 """ Safely logs out the client :param timeout: See `requests timeout <http://docs.python-requests.org/en/master/user/advanced/#timeouts>`_ :return: True if the action was successful :rtype: bool """

        if not hasattr(self, "_fb_h"):
            h_r = self._post(self.req_url.MODERN_SETTINGS_MENU, {"pmid": "4"})
            self._fb_h = re.search(r'name=\\"h\\" value=\\"(.*?)\\"', h_r.text).group(1)

        data = {"ref": "mb", "h": self._fb_h}

        r = self._get(self.req_url.LOGOUT, data)

        self._resetValues()

        return r.ok