guessingGame.py Friday night entertainment

""" Simple Guess what number I'm thinking of game.
    Note: uses espeak to vocalize """

from random import randint
import subprocess
import time
import os as os

def execute_unix(inputcommand):
   p = subprocess.Popen(inputcommand, stdout=subprocess.PIPE, shell=True)
   (output, err) = p.communicate()
   return output

def guessingGame():
    solution = randint(1,100)
    c = "I am thinking of a number between 1 and 100.\nYou have one minute to try and guess it."
    b = 'espeak -ven+f3 -k5 -s150 --punct="<characters>" "%s" 2>>/dev/null' % c
    print c
    execute_unix(b)
    a=time.time()
    while 1:
        guess = int(raw_input('Enter guess >'))
        os.system('clear')
        if (time.time()-a)>60:
            c = "Times up, Sucker.\nThe answer was %s" % solution
            b = 'espeak -ven+f3 -k5 -s150 --punct="<characters>" "%s" 2>>/dev/null' % c
            print c
            execute_unix(b)
            break
        if guess==solution:
            c = "Hurrah. You guessed correctly"
            b = 'espeak -ven+f3 -k5 -s150 --punct="<characters>" "%s" 2>>/dev/null' % c
            print c
            execute_unix(b)
            break
        elif guess>solution:
            c = "Guess lower"
            b = 'espeak -ven+f3 -k5 -s150 --punct="<characters>" "%s" 2>>/dev/null' % c
            print c
            execute_unix(b)
        elif guess<solution:
            c = " Guess higher"
            b = 'espeak -ven+f3 -k5 -s150 --punct="<characters>" "%s" 2>>/dev/null' % c
            print c
            execute_unix(b)