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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 get_received(self, age=None, for_all=True):
 """Retrieve a list of transfers sent to you or your company from other people. :param age: between 1 and 90 days. :param for_all: If ``True`` will return received files for all users in the same business. (Available for business account members only). :type age: ``int`` :type for_all: ``bool`` :rtype: ``list`` of :class:`Transfer` objects. """


        method, url = get_URL('received_get')

        if age:
            if not isinstance(age, int) or age < 0 or age > 90:
                raise FMBaseError('Age must be <int> between 0-90')

            past = datetime.utcnow() - timedelta(days=age)
            age = timegm(past.utctimetuple())

        payload = {
            'apikey': self.config.get('apikey'),
            'logintoken': self.session.cookies.get('logintoken'),
            'getForAllUsers': for_all,
            'from': age
            }

        res = getattr(self.session, method)(url, params=payload)

        if res.status_code == 200:
            return self._restore_transfers(res)

        hellraiser(res)