A simple simulation of TOR council math

council.py

#!/usr/bin/env python

import random

def roll(dice, tn):
    successes = 0
    result = feat = random.randint(0, 11)
    for i in range(0, dice):
        r = random.randint(1, 6)
        result += r
        if r == 6:
            successes += 1
    if feat == 11 or result >= tn:
        successes += 1
    else:
        successes = 0

    return successes

def council(dice, tn, res, rolls):
    successes = 0
    for i in range(0, rolls):
        successes += roll(dice, tn)
    return successes >= res

def simulation(iterations, dice, tn, res, rolls):
    """
    Parameters:
    iterations for the simulation.
    dice: number of d6 in the skill
    tn: target number of the rolls
    res: resistance of the council
    rolls: number of rolls (usually the same as res or a 1-3 more)
    """
    ok = 0
    for i in range(0, iterations):
        if council(dice, tn, res, rolls):
            ok += 1
    r = ok * 100. / iterations
    print(f"Success rate is {r}%")