The Python Challenge – Level 4

문제 페이지 : http://www.pythonchallenge.com/pc/def/linkedlist.php

#!C:\Python26\python.exe
import httplib, re

def gogo(number):
    conn = httplib.HTTPConnection('www.pythonchallenge.com')
    conn.request('GET', '/pc/def/linkedlist.php?nothing=' + str(number))

    r1 = conn.getresponse()
    data = r1.read()
    print data

    if data.find('Yes. Divide by two and keep going.') == 0:
        return int(number) / 2
    else:    
        tmp = re.search('and the next nothing is [0-9]+', data).group()
        return re.search('[0-9]+', tmp).group()

x = gogo(12345)
while 1:
    x = gogo(x)

conn.close()