from urllib import requestfw=open("baidu.txt",mode="w",encoding="utf8")with request.urlopen("http://www.baidu.com") as f:    data=f.read()    print('Status:',f.status,f.reason)    for k,v in f.getheaders():        print("%s:%s",k,v)    print("Data:",data)    fw.write(data)fw.close()