def link_lookup(self, url):
        params = dict(url=url)
        data = self._call(self.host, 'v3/link/lookup', params, self.secret)
        return data['data']['link_lookup']
query for a bitly link based on a long url (or list of long urls)
dataset/ETHPy150Open bitly/bitly-api-python/bitly_api/bitly_api.py/Connection.link_lookup