Add proper comment for batter Understanding and make a Syntex.txt file to understanding the Syntex and keywords of S

[Sanatdey]

Its a easy issue .
Use proper Comment for batter Understanding.
Make a syntex.txt file for Syntex and keywords of S.
I hope you will understand the code.

[gr33nm0nk2802]

I would like to work on this issue #5

[gr33nm0nk2802]

kindly assign me this issue