Method rating

newcodes/answers/q72.py:37–43

(self, key)

        return list(self)

    def rating(self, key):
        item = self[key], key
        i = bisect_left(self._rating, item)
        print(i)
        if item == self._rating[i]:
            return i
        raise LookupError("item not found in rating")

    def get_value_by_rating(self, rating):
        return self._rating[rating][0]