#!/usr/bin/env python
     # encoding: utf-8
     #
     # Copyright (c) 2010 Doug Hellmann.  All rights reserved.
     #
     """Random choice
     """
     #end_pymotw_header
     
     import random
     import itertools
     
     def new_deck():
         return list(itertools.product(
                 itertools.chain(xrange(2, 11), ('J', 'Q', 'K', 'A')),
                 ('H', 'D', 'C', 'S'),
                 ))
     
     def show_deck(deck):
         p_deck = deck[:]
         while p_deck:
             row = p_deck[:13]
             p_deck = p_deck[13:]
             for j in row:
                 print '%2s%s' % j,
             print
     
     # Get a new deck, with the cards in order
     deck = new_deck()
     print 'Initial deck:'
     show_deck(deck)
     
     # Shuffle the deck to randomize the order
     random.shuffle(deck)
     print '\nShuffled deck:'
     show_deck(deck)
     
     # Deal 4 hands of 5 cards each
     hands = [ [], [], [], [] ]
     
     for i in xrange(5):
         for h in hands:
             h.append(deck.pop())
     
     # Show the hands
     print '\nHands:'
     for n, h in enumerate(hands):
         print '%d:' % (n+1),
         for c in h:
             print '%2s%s' % c,
         print
         
     # Show the remaining deck
     print '\nRemaining deck:'
     show_deck(deck)