text: # -*- coding: utf-8 -*-
  
  import urllib.request
  
  def clear():
      time.sleep(3)
      OS=platform.system()
      if (OS==u"Windows"):
          os.system("cls")
      else:
          os.system("clear")
  
  def link():
      url="http://www.baidu.com"
      try:
          res=urllib.request.urlopen(url)
      except Exception:
          print("Request Error!")
          exit()
      with open("./baidu.txt","wb") as fp:
          fp.write(res.read())
      print(res.geturl())
      print(res.getcode())
      print(res.info())
  
  if __name__=="__main__":
      link()
  