scramblearg.py

#      scramblearg.py
#      example: python scramble.py a,b,c
#
#      Copyleft 2013 phra <phra@localhost>
#
#      This program is free software; you can redistribute it and/or modify
#      it under the terms of the GNU General Public License as published by
#      the Free Software Foundation; either version 2 of the License, or
#      (at your option) any later version.
#
#      This program is distributed in the hope that it will be useful,
#      but WITHOUT ANY WARRANTY; without even the implied warranty of
#      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#      GNU General Public License for more details.
#
#      You should have received a copy of the GNU General Public License
#      along with this program; if not, write to the Free Software
#      Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
#      MA 02110-1301, USA.
#


import random
from sys import argv

def scramble(some_list):
    randomized_list = some_list[:]
    while True:
        random.shuffle(randomized_list)
        for a, b in zip(some_list, randomized_list):
            if a == b:
                break
        else:
            return randomized_list

arg = argv[1].split(',')
arg1 = scramble(arg)
print 'SCRAMBLE:'
for i in range(len(arg)):
        print '{:} \t <==> \t {:}'.format(arg1[i], arg[i])