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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 delete(self, key, **kwargs):
 """DeleteRange deletes the given range from the key-value store. A delete request increments the revision of the key-value store and generates a delete event in the event history for every deleted key. :param key: :param kwargs: :return: """

        payload = {
            "key": _encode(key),
        }
        payload.update(kwargs)

        result = self.post(self.get_url("/kv/deleterange"),
                           json=payload)
        if 'deleted' in result:
            return True
        return False