python gb2312 转换为 utf-8

　　url = ""

    headers = {

        "Host":"www.chinanews.com",
        "User-Agent":"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36",
        "Accept":"text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8",
        "Accept-Encoding":"gzip, deflate",
        "Accept-Language":"zh-CN,zh;q=0.9",

    }

    try:
        proxies =get_proxies()
        result = session.get(url=url,headers=headers).content
    except:
        proxies = get_proxies()
        result = session.get(url=url,headers=headers).content

    import chardet
    print(chardet.detect(result))
　　
　　核心代码

　　soup = BeautifulSoup(result,'html.parser',fromEncoding="GBK")
　　result_replace = replace(soup)
　　print result_replace
　　print(chardet.detect(result_replace))

　输出结果：