def create_instructor_answer(self, post, content, revision, anonymous=False):
        """Create an instructor's answer to a post `post`.

        It seems like if the post has `<p>` tags, then it's treated as HTML,
        but is treated as text otherwise. You'll want to provide `content`
        accordingly.

        :type  post: dict|str|int
        :param post: Either the post dict returned by another API method, or
            the `cid` field of that post.
        :type  content: str
        :param content: The content of the answer.
        :type  revision: int
        :param revision: The number of revisions the answer has gone through.
            The first responder should out 0, the first editor 1, etc.
        :type  anonymous: bool
        :param anonymous: Whether or not to post anonymously.
        :rtype: dict
        :returns: Dictionary with information about the created answer.
        """
        try:
            cid = post["id"]
        except KeyError:
            cid = post

        params = {
            "cid": cid,
            "type": "i_answer",
            "content": content,
            "revision": revision,
            "anonymous": "yes" if anonymous else "no",
        }
        return self._rpc.content_instructor_answer(params)
Create an instructor's answer to a post `post`.

        It seems like if the post has `<p>` tags, then it's treated as HTML,
        but is treated as text otherwise. You'll want to provide `content`
        accordingly.

        :type  post: dict|str|int
        :param post: Either the post dict returned by another API method, or
            the `cid` field of that post.
        :type  content: str
        :param content: The content of the answer.
        :type  revision: int
        :param revision: The number of revisions the answer has gone through.
            The first responder should out 0, the first editor 1, etc.
        :type  anonymous: bool
        :param anonymous: Whether or not to post anonymously.
        :rtype: dict
        :returns: Dictionary with information about the created answer.