- 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) 
				ZmlsZV91cmxfbGlzdCA9IFsnd3d3LmxhdGltZXMuY29tJywgJ3d3dy5mYWNlYm9vay5jb20nLCAnYWZmaW5pdHdlZXQuY29tJywgJ2dvb2dsZS5jb20nXQp0b3BfdXJsX2xpc3QgPSBbWzEsICdnb29nbGUuY29tJ10sIFsyLCAnd3d3Lmdvb2dsZS5jb20nXSwgWzMsICdtaWNyb3NvZnQuY29tJ10sIFs0LCAnd3d3LmZhY2Vib29rLmNvbSddXQp0b3BfdXJsX2xpc3RfZmxhdCA9IFtpdGVtWzFdIGZvciBpdGVtIGluIHRvcF91cmxfbGlzdF0KZm9yIGl0ZW0gaW4gKGZpbHRlcihsYW1iZGEgdXJsOiB1cmwgaW4gZmlsZV91cmxfbGlzdCwgdG9wX3VybF9saXN0X2ZsYXQpKToKCXByaW50IChpdGVtKQ==