Is this code correct?

[Νίκος Γκρ33κ]

#!/usr/bin/python3
# coding=utf-8

import cgitb; cgitb.enable()
import cgi, os, sys
from http import cookies

# initialize cookie
cookie = cookies.SimpleCookie( os.environ.get('HTTP_COOKIE') )
cookie.load( cookie )
nikos = cookie.get('nikos')

# if visitor cookie does exist
if nikos:
	msg = "ΑΠΟ ΤΗΝ ΕΠΟΜΕΝΗ ΕΠΙΣΚΕΨΗ ΣΟΥ ΘΑ ΣΕ ΥΠΟΛΟΓΙΖΩ ΩΣ ΕΠΙΣΚΕΠΤΗ ΑΥΞΑΝΟΝΤΑΣ ΤΟΝ ΜΕΤΡΗΤΗ!"
	cookie['nikos'] = 'admin'
	cookie['nikos']['path'] = '/'
	cookie['nikos']['expires'] = -1		#this cookie will expire now
else:
	msg = "ΑΠΟ ΔΩ ΚΑΙ ΣΤΟ ΕΞΗΣ ΔΕΝ ΣΕ ΕΙΔΑ, ΔΕΝ ΣΕ ΞΕΡΩ, ΔΕΝ ΣΕ ΑΚΟΥΣΑ! ΘΑ ΕΙΣΑΙ ΠΛΕΟΝ Ο ΑΟΡΑΤΟΣ ΕΠΙΣΚΕΠΤΗΣ!!"
	cookie['nikos'] = 'admin'
	cookie['nikos']['path'] = '/'
	cookie['nikos']['expires'] = 60*60*24*30*12		#this cookie will expire in a year


#needed line, script does *not* work without it
sys.stdout = os.fdopen(1, 'w', encoding='utf-8')

print( cookie )
print ( "Content-type: text/html; charset=utf-8\n" )
print( msg )

sys.exit(0)