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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 get_my_feed(self, limit=150, offset=20, sort="updated", nid=None):
 """Get my feed :type limit: int :param limit: Number of posts from feed to get, starting from ``offset`` :type offset: int :param offset: Offset starting from bottom of feed :type sort: str :param sort: How to sort feed that will be retrieved; only current known value is "updated" :type nid: str :param nid: This is the ID of the network to get the feed from. This is optional and only to override the existing `network_id` entered when created the class """

        r = self.request(
            method="network.get_my_feed",
            nid=nid,
            data=dict(
                limit=limit,
                offset=offset,
                sort=sort
            )
        )
        return self._handle_error(r, "Could not retrieve your feed.")