def put_train_mdl()

in tasks/hierar-or-linear/generate_data.py [0:0]


def put_train_mdl(root, train_depth, test_from, test_to, rule):
    with open(f'{root}/train.src', 'w') as train_src, open(f'{root}/train.dst', 'w') as train_tgt:
        depths = [train_depth] + [d for d in range(test_from, test_to) if d != train_depth]

        for d in depths:
            for central_symbol, wrapper in itertools.product(['a', 'b'], ['a', 'b']):
                train_input = [wrapper] * d + [central_symbol] + [wrapper] * d
                print(' '.join(train_input), file=train_src)
                print(rule(train_input), file=train_tgt)