def purge_content(self, account_id, urls):
        """Purges one or more URLs from the CDN edge nodes.

        :param int account_id: the CDN account ID from which content should
                               be purged.
        :param urls: a string or a list of strings representing the CDN URLs
                     that should be purged.
        :returns: a list of SoftLayer_Container_Network_ContentDelivery_PurgeService_Response objects
                  which indicates if the purge for each url was SUCCESS, FAILED or INVALID_URL.
        """

        if isinstance(urls, six.string_types):
            urls = [urls]

        content_list = []
        for i in range(0, len(urls), MAX_URLS_PER_PURGE):
            content = self.account.purgeCache(urls[i:i + MAX_URLS_PER_PURGE], id=account_id)
            content_list.extend(content)

        return content_list
Purges one or more URLs from the CDN edge nodes.

        :param int account_id: the CDN account ID from which content should
                               be purged.
        :param urls: a string or a list of strings representing the CDN URLs
                     that should be purged.
        :returns: a list of SoftLayer_Container_Network_ContentDelivery_PurgeService_Response objects
                  which indicates if the purge for each url was SUCCESS, FAILED or INVALID_URL.