Check if URL exists via Python

checkUrlExists.m1.py

from urllib2 import urlopen
code = urlopen("http://example.com/").code
if (code / 100 >= 4):
   print "Nothing there."
# via http://stackoverflow.com/questions/1966086/how-can-i-determine-if-anything-at-the-given-url-does-exist

checkUrlExists.m2.py

import urllib2
ret = urllib2.urlopen('http://hostname/directory/file.jpg')
if ret.code == 200:
    print "Exists!"
# via http://stackoverflow.com/questions/7347888/how-do-i-check-if-a-file-on-http-exists-using-python-django

Hi @FlaminHat @meryemCH instead of using:

import urllib2

use code below in python3

import urllib.request as urllib2

thank you for answering! @fedir
i need your help please :)
actually,i have a file list json like this : file_name_list = { "itus": [ "artist", "artist_tion", "asong", "arti_type", "colln", "collen_song", "colln_type", "genre", "nre_arst", "nre_collion", "role", "song", "storefront", "media_type", ], "moch": ["arst_mh", "con_mch", "so_mh"], "pority": ["al_parity_per_gre", "sg_polarity_per_genre"], }
in the total i have about 19 files i wanna check if this list of files exist ,the name of file should be like this : itus/artist , itus/artist_tion etc for all list