coinflipTest.py

import random
heads = 50
tails = 50
counter = 0
while heads <= 83:
    heads = 0
    tails = 0
    for num in range(100):
        rand = random.randrange(3)
        if rand % 2 == 0:
            heads += 1
        else:
            tails += 1
    s = "There were {heads} heads and {tails} tails flipped out of 100.".format(heads=heads, tails=tails)
    print(s)
    counter += 1
print("It took " + str(counter) + " runs to get a split of {heads} to {tails}.".format(heads=heads, tails=tails))