def METHOD_NAME(program):
    iter = 0
    for data in train_loader():
        cost, top1, top5 = exe.run(
            program,
            feed=data,
            fetch_list=[avg_cost, acc_top1, acc_top5])
        iter += 1
        if iter % 100 == 0:
            print(
                'train iter={}, avg loss {}, acc_top1 {}, acc_top5 {}'.
                format(iter, cost, top1, top5))