def url(choice):
    if (choice == 1):
        return 'http://dict.youdao.com/w/eng/'
    if (choice == 2):
        return 'https://www.iciba.com/word?w='
    if (choice == 3):
        return 'https://cn.bing.com/dict/search?q='
    if (choice == 4):
        return 'https://dict.cn/search?q='
    if (choice == 5):
        return 'http://www.youdao.com/w/jap/'
    if (choice == 6):
        return 'http://www.youdao.com/w/fr/'
    if (choice == 7):
        return 'http://www.godic.net/dicts/de/'
def url(choice):
    if (choice == 1):
        return 'http://dict.youdao.com/w/eng/'
    if (choice == 2):
        return 'https://www.iciba.com/word?w='
    if (choice == 3):
        return 'https://cn.bing.com/dict/search?q='
    if (choice == 4):
        return 'https://dict.cn/search?q='
    if (choice == 5):
        return 'http://www.youdao.com/w/jap/'
    if (choice == 6):
        return 'http://www.youdao.com/w/fr/'
    if (choice == 7):
        return 'http://www.godic.net/dicts/de/'