def parse_repo_info(data):
    return (
        f"Название: {data.get('name', '—')}\n"
        f"Описание: {data.get('description') or '—'}\n"
        f"Автор: {data.get('owner', {}).get('login', '—')}\n"
        f"Создан: {data.get('created_at', '—')}\n"
        f"Изменён: {data.get('updated_at', '—')}\n"
    )


def parse_authors(commits):
    authors = set()

    for commit in commits:
        try:
            name = commit["commit"]["author"]["name"]
            if name:
                authors.add(name)
        except Exception:
            continue

    return sorted(authors)