Run a linux system command as a superuser, using a python script

Question

I have got postfix installed on my machine and I am updating virtual_alias on the fly programmatically(using python)(on some action). Once I update the entry in the /etc/pos

Answer 1

To answer the error:"sudo: sorry, you must have a tty to run sudo", we have a setting called "Defaults requiretty" in sudoers file. I tried commenting it out and it worked :D.