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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 unarchive_user(self, user_id):
 """Unarchives the user with the specified user ID. Args: user_id: `int`. The ID of the user to unarchive. Returns: `NoneType`: None. """

        url = self.record_url + "/unarchive"
        res = requests.patch(url=url, json={"user_id": user_id}, headers=HEADERS, verify=False)
        self.write_response_html_to_file(res,"bob.html")
        res.raise_for_status()