import random


def flip(times):
    res = []
    for i in range(times):
        res.append(random.choice(["H", "T"]))
    return res


def check(flips, reps, streaks):
    last, h, t = "", 0, 0
    for f in flips:
        if last == f:
            if f == "H":
                h += 1
            else:
                t += 1
        else:
            h = 0
            t = 0
        if h == reps or t == reps:
            streaks += 1
            break
        last = f
    return streaks


def test(times, length=100, reps=6):
    streaks = 0
    for i in range(times):
        print(f"Testing {int((i * 100) / times)}%")
        streaks = check(flip(length), reps, streaks)
    print(f"Streak length: {reps}")
    print(f"Flips length: {length}")
    print(f"Tests: {times}")
    print(f"Result: {streaks} streaks ({(streaks * 100) / times}%).")


test(10000, reps=6)