cointoss.py

import random
heads = 0
tails = 0
steps = 0
totalsteps = 0
maxsteps = 0
for j in range (1000):
    totalsteps = totalsteps + steps
    if steps > maxsteps: maxsteps = steps
    heads = 0
    tails = 0
    steps = 0
    for i in range(1000000):
        if (random.randint(0,1)==1):
            heads=heads+1
        else: tails = tails+1
        if tails*3 < heads:
            steps=steps+1
    print (str(steps) + " steps, " + str(heads) + " heads and " + str(tails) + " tails")
print (str(totalsteps) + " steps taken over 1000 trials, maximum of "+ str(maxsteps) + " steps taken")