file_url_list = ['www.latimes.com', 'www.facebook.com', 'affinitweet.com', 'google.com']
top_url_list = [[1, 'google.com'], [2, 'www.google.com'], [3, 'microsoft.com'], [4, 'www.facebook.com']]
top_url_list_flat = [item[1] for item in top_url_list]
for item in (filter(lambda url: url in file_url_list, top_url_list_flat)):
	print (item)