Snarky prime number guesser

prime_guess.py

import time
import random
import subprocess

SNARK_CHANCE = 0.5
MAX_PRIME = 100

snark = [
    'Are you kidding me?',
    'Not yet, really?',
    "C'mon, gimme a break here.",
    'Hurry up and say yes!',
]

def random_snark():
    if random.random() > SNARK_CHANCE:
        s = random.choice(snark)
        subprocess.check_call(['say', s])

def primes_sieve(limit):
    a = [True] * limit
    a[0] = a[1] = False

    for i, isprime in enumerate(a):
        if isprime:
            yield i
            for n in xrange(i*i, limit, i):
                a[n] = False


subprocess.check_call(['say', 'Is it?'])
for i in primes_sieve(MAX_PRIME):
    subprocess.check_call(['say', "%d" % (i,)])
    random_snark()
    time.sleep(0.2)

subprocess.check_call(['say', 'All done!'])