<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def setup_auth(self):
 """ Sets up token access for authorizing requests to notebook server. This sets the notebook token as self.token and the xsrf_token as self.xsrf_token. """

        self.token = self.nb_record.token
        first = requests.get(f"{self.url}/login")
        self.xsrf_token = first.cookies.get("_xsrf", "")