This program simulates the special die that comes with the game Uno Stacko, but with one fun improvement! The physical die always matches a particular number to a particular color. This script randomizes it for more diverse gameplay. It also rolls again for you when it rolls a Reverse.

uno_stacko_die.py

from random import choice, randint
from termcolor import colored  # must be pip installed
 
 
def do_roll():
    roll = randint(1,6)
    if roll < 5:
        colors = ['red', 'green', 'blue', 'yellow']
        selected_color = choice(colors)
        print colored("{} {}".format(roll, selected_color), selected_color)
    elif roll == 5:
        print "Draw 2!"
    elif roll == 6:
        print "Reverse!"
        do_roll()
    else:
        print "Error, please roll again"
 
do_roll()