dice.py

import random

you = 0
comp = 0

def rollDice():
	a = random.randrange(1,7)
	b = random.randrange(1,7)
	return [a,b]

def get_response():
	y = raw_input('\nDo you want to roll (y/n): ')
	if y=='y' or y=='Y':
		return 1
	else:
		return 0;

if __name__ == '__main__':
	rnd = 1
	while True:
		if(get_response()):
			res = rollDice()
			print('Your dice obtained {0} and {1}.'.format(res[0],res[1]))
			you = you + res[0] + res[1]
			print('You total after round {0} is {1}.'.format(rnd,you))
			cp = rollDice()
			rnd = rnd+1
			comp = comp+cp[0]+cp[1]
			if comp>21 and you<comp:
				print('I lost. You won. My total is {0}.'.format(comp))
				exit()
			if you>21 and comp<you:
				print('You lost. I won. My total is {0}.'.format(comp))
				exit()
		else:
			break
	if (comp>21 and you<comp) or (you<comp):
		print('I lost. You won. My total is {0}.'.format(comp))
	if (you>21 and comp<you) or (you>comp):
		print('You lost. I won. My total is {0}.'.format(comp))