Looping through variables and setting them

[hshivaraj]

I want to use as much techniques as possible. That's the only way I can learn to program even better.

I concur with the Windspar. You should try keeps things as simple as possible. Particular for what your trying to do list should suffice perfectly., The problem with using function like eval and exec is a potential threat to security. It allows to create a security hole to access the underlying system. As a general rule try avoiding using eval or exec :)