Maitri : Assignment/Session03

Hi Cris, Fulvio, 
Here is my Week3 assignment. 
*) Details are in README.txt. 
*) Example output in re.txt
*) gd.py  - please read details in README.
*) glassdeed.py - mashup script 

I tried branching-out Session03. But previous commits still show up. 

Ref num : 	f25152e , please review.

Thanks,
Maitri