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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_request(self):
 """Send a logout request."""

        _LOGGER.debug('logout')
        url = 'http://' + self._host + '/login_sid.lua'
        params = {
            'security:command/logout': '1',
            'sid': self._sid
        }

        self._request(url, params)