triqui en consola

triqui.py

#!/usr/bin/python
# triqui version 1.0
import os
import time
# comprobar si es linux para el comando clear o cls windows
if os.name == "posix":
  clear = "clear"
else:
	clear = "cls"
	os.system("title by daryo")
	os.system("color f1")
n = []
for a in range(9):
	a+=1
	a = "%i" % a
	n.append(a)
def pantalla():
	os.system(clear)
	print """
		------------------------------
                |       tres en linea :)     |
                ------------------------------
              """
	print "%s|%s|%s" % (n[0],n[1],n[2])
	print "-----"
	print "%s|%s|%s" % (n[3],n[4],n[5])
	print "-----"
	print "%s|%s|%s" % (n[6],n[7],n[8])
def gana():
	jugadores = ["o","x"]
	for jug in jugadores:
		# estas son las horizontales
		if n[0] == jug and n[1] == jug and n[2] == jug:
			gano(jug)
		elif n[3] == jug and n[4] == jug and n[5] == jug:
			gano(jug)
		elif n[6] == jug and n[7] == jug and n[8] == jug:
			gano(jug)
		# estas son las verticales
		elif n[0] == jug and n[3] == jug and n[6] == jug:
			gano(jug)
		elif n[1] == jug and n[4] == jug and n[7] == jug:
			gano(jug)
		elif n[2] == jug and n[5] == jug and n[8] == jug:
			gano(jug)
		# estas son las diagonales
		elif n[0] == jug and n[4] == jug and n[8] == jug:
			gano(jug)
		elif n[6] == jug and n[4] == jug and n[2] == jug:
			gano(jug)
		else:
			pass
def gano(jug):
	os.system(clear)
	print "ganaron las %s!" % jug
	time.sleep(3)
	exit()
while True: 
	while True:
		pantalla()
		print "jugador uno su turno"
		z = input("ponga el numero de la casilla > ")
		
		try:
			z-=1
			if n[z] != "o" and  n[z] != "x":
				n[z]="o"
				gana()
				pantalla()
				break
			else:
				print "posicion invalida"
				time.sleep(2)
		except:
			time.sleep(2)
			pantalla()


	while True:
		pantalla()
		print "jugador dos su turno"
		h = input("ponga el numero de la casilla>")
		
		try:
			h-=1
			if n[h] != "o" and  n[h] != "x":
				n[h]="x"
				gana()
				pantalla()
				break
			else:
				print "posicion invalida"
				time.sleep(2)
		except:
			time.sleep(2)
			pantalla()