gistfile1.txt

import sys
import random

prob = float(sys.argv[1]) if len(sys.argv) > 1 else 0.015

acc = 0

award = 0
total = 1000000
g = 100

for i in range(total):
    rand = random.random()
    if rand < prob:
        award += 1
        acc = 0
    else:
        acc += 1
        if acc >= g:
            award += 1
            acc = 0

print(float(award) / total)