import urllib raiaddr= "http://www.rai.tv/dl/RaiTV/videoWall/PublishingBlock-5566288c-3d21-48dc-b3e2-af7fbe3b2af8.xml" raipage = urllib.urlopen(raiaddr) #print raipage.read() for line in raipage: if 'mms' in line: d=line.split("mms")[-1].split("wmv")[0] print "mms"+d+"wmv"