def gen_url(section):
    """URL for a given stackexchange site"""
    urls = []
    # urls.append('https://ia800500.us.archive.org/22/items/stackexchange/' + section + '.stackexchange.com.7z')
    # urls.append('https://ia800500.us.archive.org/22/items/stackexchange/' + section + '.7z')
    urls.append('https://archive.org/download/stackexchange/' + section + '.stackexchange.com.7z')
    urls.append('https://archive.org/download/stackexchange/' + section + '.7z')
    # urls.append('https://ia800500.us.archive.org/view_archive.php?archive=/27/items/stackexchange/' + section + '.stackexchange.com.7z')
    return urls