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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 authenticate(self):
        '''
        Authenticate using data in `options`
        '''
        if "username" in self.options and "password" in self.options:
            self.login_oauth2(
                self.options["username"],
                self.options["password"],
                self.options.get('mfa_code'))
        elif "access_token" in self.options:
            if "refresh_token" in self.options:
                self.access_token = self.options["access_token"]
                self.refresh_token = self.options["refresh_token"]
                self.__set_account_info()
        else:
            self.authenticated = False
        return self.authenticated