import urllib.request
def Url(url):
flag = input("请输入要搜索的关键字：")
headers_ = {
"User-Agent": "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Maxthon/4.4.3.4000 Chrome/30.0.1599.101 Safari/537.36"
}
wd = {"wd" : flag}
wd = urllib.parse.urlencode(wd)
url = url + "?" + wd
print(url)
req = urllib.request.Request(url,headers=headers_)
html = urllib.request.urlopen(req).read().decode("utf-8")
print(html) url = 'http://www.baidu.com/s'
Url(url)
