Coin Flip Streaks ver. 1 // absp

# https://automatetheboringstuff.com/2e/chapter4/
# project 2 Coin Flip Streaks ver. 1
# I evaluate the numberOfStreaks on the sum of 6 flips in flipsList

import random

numberOfStreaks = 0
runs = 10000
flips_per_run = 100
streakNo = 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.randint(0,1))

    # Code that checks if there is a streak of 6 heads or tails in a row.
    n = 0                           # an index in flipsList

    # run the check for a length of six elements until the end of the list
    while n+streakNo < len(flipsList) - streakNo:
        sumvalue=0                  #
        for i in range (streakNo):
            sumvalue += flipsList[n+i]
        if sumvalue == streakNo or sumvalue == 0:
            numberOfStreaks += 1
        n += 1

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