def __len__(self):
        i = 0
        for cookie in self: i = i + 1
        return i
Update credit information after pop.end_iter() has been called.
dataset/ETHPy150Open babble/babble/include/jython/Lib/cookielib.py/CookieJar.__len__--crossover with--dataset/ETHPy150Open pasky/cocopf/credit.py/PopulationCredit.update