def show_tuple_pairs(p): all_pairs = ProductObjectCreator.parse_file_get_pairs() pair_id = p pair = [x for x in all_pairs if x.pair_id == pair_id] pair = pair[0] attrs_v = vars(pair.v) attrs_w = vars(pair.w) for x in attrs_v: print "Product 1 %-20s %s" % (x, attrs_v[x]) print "Product 2 %-20s %s" % (x, attrs_w[x])