from urllib2 import urlopen list1 = range(1,169) list1.reverse() list2 = range(0,1000) list2.reverse() for num1 in list1: if num1 < 100 and num1 > 9: num1 = '0'+str(num1) if num1 < 10: num1 = '00'+str(num1) for num2 in list2: if num2 < 100 and num2 > 9: num2 = '0'+str(num2) if num2 < 10: num2 = '00'+str(num2) url = 'http://tatw-archives.anjunabeats.com/TATW%s_%s_archive.mp3' % (num1,num2) try: urlopen(url) print url except urllib2.HTTPError: print "404"