#!/usr/bin/env python

import sys, os
import scipy.special

if len( sys.argv ) == 1 :
  print "Provide Z-score on command line"
  quit()

ZScore = float( sys.argv[1] )

pvalue = 1 - scipy.special.ndtr(abs(ZScore))

if True : # modify in order to get one-sided
  print "Two sided p-value: %8.5f " %(2.*pvalue)
else :
  print "One sided p-value: %8.5f " %(pvalue)