Implement dice roll

[nixorn]

First thing we need is single function with 2 arguments

1. count of dice throws
2. count of dice faces

Example call

>>> roll(2, 6) # 2d6
10

[nixorn]

About functions https://younglinux.info/python/function.php Random lib https://docs.python.org/3/library/random.html#module-random (which we need to generate random numbers in some range).