get the film id using the title in conjunction with the searching function

def get_film_id(self, title, three_dimensional=False):
        """get the film id using the title in conjunction with the searching function"""
        films = self.film_search(title)
        for film in films:
            if (film['title'].find('3D') is - 1) is not three_dimensional:
                return film['edi']
        return -1