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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 call_method(self, method, *args):
 """Call a JSON-RPC method and wait for its result. The *method* is called with positional arguments *args*. On success, the ``result`` field from the JSON-RPC response is returned. On error, a :class:`JsonRpcError` is raised, which you can use to access the ``error`` field of the JSON-RPC response. """

        message = self._version.create_request(method, args)
        msgid = message['id']
        try:
            with switch_back(self._timeout) as switcher:
                self._method_calls[msgid] = switcher
                self.send_message(message)
                args, _ = self._hub.switch()
        finally:
            self._method_calls.pop(msgid, None)
        response = args[0]
        assert response['id'] == msgid
        error = response.get('error')
        if error is not None:
            raise JsonRpcError('error response calling "{}"'.format(method), error)
        return response['result']