46 card challenge

46.py

import random
random.seed(0)

TRIAL = 100000
cards = [4] * 4 + [6] * 4 + [0] * 44

dists = [ ]
for i in range(TRIAL):
    random.shuffle(cards)
    drawned = set()
    for count, c in enumerate(cards):
        if c == 4 or c == 6:
            drawned.add(c)

        if len(drawned) == 2:
            dists.append(count + 1)
            break

print(sum(dists) / TRIAL)