network@node1:~$ python
Python 2.7.3 (default, Feb 27 2014, 20:00:17) 
[GCC 4.6.3] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import pycipher
>>> pycipher.Caesar(3).encipher("kartik")
'KUMAR'
>>> pycipher.Caesar(3).decipher("kumar")
'KARTIK'
>>> quit()