import time,datetime    import urllib2   def chk_qq(qqnum):    chkurl = ‘http://wpa.paipai.com/pa?p=1:‘+`qqnum`+‘:17‘    a = urllib2.urlopen(chkurl)        length=a.headers.get("content-length")        a.close()        print datetime.datetime.now()     print length       if length==‘2348‘:            return ‘Online‘       elif length==‘2205‘:            return ‘Offline‘       else:            return ‘Unknown Status!‘  def writestate(statenow):    f=open(str(qq),‘a‘)    m=str(datetime.datetime.now())+"===state===="+statenow+"\n\r"    f.write(m)    f.close()qq = 12345678##state=1if __name__==‘__main__‘:    while 1:        stat = chk_qq(qq)        writestate(stat)        time.sleep(6000) ##5分钟测一次        print `qq` + ‘ is ‘ + stat