Coin Flip Streaks ver. 3 // absp

# https://automatetheboringstuff.com/2e/chapter4/
# project 2 Coin Flip Streaks ver. 3

import random

numberOfStreaks = 0
runs = 10000
flips_per_run = 100
streakLength = 6                        # how many streaks to look for

for i in range(runs):

    # Code that creates a list of 100 'heads' or 'tails' values.
    flipsList = []
    for i in range(flips_per_run):
        flipsList.append(random.choice(['H', 'T']))

    # Code that checks if there is a streak of 6 heads or tails in a row.
    for i in range(len(flipsList)):
        if flipsList[i:i+streakLength] == list(streakLength * 'H') or flipsList[i:i+streakLength] == list(streakLength * 'T'):
            numberOfStreaks +=1

print('Chance of streak: %s%%' % (numberOfStreaks / runs))