#!/usr/bin/python

#
# Rajarshi Guha <rajarshi@presidency.com>
# 06/03/04
#

import copy

def extendgp(g,v):
    newg = []
    if not g:
        for i in v:
            newg.append( [i,] )
        return  newg

    for i in g:
        for j in v:
            x = copy.deepcopy(i)
            x.append(j)
            newg.append(x)
    return newg

def gengrid(axislist):

    grid = []
    for axes in axislist:
        grid = extendgp( grid, axes )
    return grid

if __name__ == '__main__':

    v1 = [1,2,3]
    v2 = [1,2,3]
    v3 = [1,2,3]

    grid = gengrid( (v1,v2,v3) )
    print grid
    print len(grid)