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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 check(self):
 """ Check if we have an active login session set @rtype: bool """

        self.log.debug('Testing for a valid login session')
        # If our cookie jar is empty, we obviously don't have a valid login session
        if not len(self.cookiejar):
            return False

        # Test our login session and make sure it's still active
        return requests.get(self.TEST_URL, cookies=self.cookiejar).status_code == 200