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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 is_connected(self, chassis):
 """Get Boolean connected status of the specified chassis."""

        self._check_session()
        try:
            status, data = self._rest.get_request('connections', chassis)
        except resthttp.RestHttpError as e:
            if int(e) == 404:
                # 404 NOT FOUND means the chassis in unknown, so return false.
                return False
        return bool(data and data.get('IsConnected'))