Expected an indented block

[altugozgercek at gmail.com]

Hey guys ! its my first topic and I'm gonna start with a problem :) Im totally beginner in Python and each time I try to run this program it gives me the error down below:

http://imgur.com/ufUAMTs

I'm using Sublime Text, same problems occured in TextWrangler and in Vim too. I tried python3 python.py too nothing has changed. Thanks in advance.