Method pick

07-1class-func/bingocall.py:26–30

(self)

        random.shuffle(self._items)  # <2>

    def pick(self):  # <3>
        try:
            return self._items.pop()
        except IndexError:
            raise LookupError('pick from empty BingoCage')  # <4>

    def __call__(self):  # <5>
        return self.pick()