DailyProgrammer problem #364.

364_diceroll.py

"""
r/DailyProgrammer Challenge #364
Dice Roller
2018 - 06 - 18
https://www.reddit.com/r/dailyprogrammer/comments/8s0cy1/20180618_challenge_364_easy_create_a_dice_roller/?st=jiklnspm&sh=2cffa04e
"""
from random import randint

def identify_dice(dice_string):
    i = dice_string.find('d')
    if i <= 0 or i == len(dice_string) - 1:
        raise ValueError()

    return int(dice_string[:i]), int(dice_string[i+1:])

def roll_dice(num, dice_val):
    if num < 1:
        return 0
    r = randint(1, dice_val)
    return r + roll_dice(num-1, dice_val)



while(True):
    # For this simple program, we will simply use ^C to exit.
    dice_string = raw_input("What should I roll?\n")
    try:
        num, dice_val = identify_dice(dice_string)
        print(str(roll_dice(num, dice_val)) + "\n")
    except:
        print("There seems to have been a problem with your input. To exit, use ^c.\n")