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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def supports_site(url):
 """ Rss Crawler are supported if by every site containing an rss feed. Determines if this crawler works on the given url. :param str url: The url to test :return bool: Determines wether this crawler work on the given url """


        # Follow redirects
        opener = urllib2.build_opener(urllib2.HTTPRedirectHandler)
        redirect = opener.open(url).url
        response = urllib2.urlopen(redirect).read()

        # Check if a standard rss feed exists
        return re.search(re_rss, response.decode('utf-8')) is not None