That's Numberwang!

numberwang.py

import random, sys, os

name = [None, None]

sys.stdout.write("enter player 1: ")
sys.stdout.flush()
name[0] = sys.stdin.readline().strip()

sys.stdout.write("enter player 2: ")
sys.stdout.flush()
name[1] = sys.stdin.readline().strip()

p = 0

first = True

while random.random() > 0.1 or started:
    started = False
    sys.stdout.write("player %s: "%(name[p]))
    sys.stdout.flush()
    sys.stdin.readline()
    p = (p + 1) % 2

os.system("""say "that's numberwang" """)

print "That's Numberwang!"