Phyton get requist script that can give u value from a 2 way athur site

Hi i tried some code and nothing works i have requist lib installed but the thing í wanna do is connect to a site then the autherication key gonna apear on my mobil and the thing the code should do is to copy a row in the html after my mobil athur

this is the code i tried with but dont work:(

import requests
url = 'http://ift.tt/2ikC4Js'
values = {'auth:kundnummer': A_nummber,
          }

r = requests.post(url, data=values)
print r.content

can someone help me