How Do i generate Random Numbers when a button is pressed form 1 to 6 and display it on a 7-Segement

Hi, All

How Do i generate Random Numbers when a button is pressed form 1 to 6 and display it on a 7-Segement 

I'm really new to Msp430 and not a fan of programming. So pls any help will be appreciated esepecially codes.

Thanks