import unittest

import random

def random$\_$shuffle$($values$)$:

$"""$return a new list of the given values in random order"""

new$\_$values $=$ list$($values$)$

random.shuffle$($new$\_$values$)$

return new$\_$values

def broken$\_$shuffle$\_1($values$)$:

$"""$this doesn't actually shuffle anything!"""

return list$($values$)$

def broken$\_$shuffle$\_2($values$)$:

$"""$this returns a single instance of each value, shuffled"""

new$\_$values $=$ list$($set$($values$))$

random.shuffle$($new$\_$values$)$

return new$\_$values

def broken$\_$shuffle$\_3($values$)$:

$"""$this always returns the values sorted"""

return list$($sorted$($values$))$