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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 move_backend(self, from_path, to_path):
 """Move an already-mounted backend to a new mount point. Supported methods: POST: /sys/remount. Produces: 204 (empty body) :param from_path: Specifies the previous mount point. :type from_path: str | unicode :param to_path: Specifies the new destination mount point. :type to_path: str | unicode :return: The response of the request. :rtype: requests.Response """

        params = {
            'from': from_path,
            'to': to_path,
        }
        api_path = '/v1/sys/remount'
        return self._adapter.post(
            url=api_path,
            json=params,
        )