     ]
    },
    {
     "cell_type": "code",
     "execution_count": 2,
     "metadata": {
      "collapsed": false
     },
     "outputs": [
      {
 
</s> remove    "execution_count": 3,
 </s> add    "execution_count": 4, </s> remove    "execution_count": 1,
 </s> add    "execution_count": 5, </s> remove    "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Success: test_foo\n"
     ]
    }
   ],
 </s> add    "outputs": [], </s> remove     "## Unit Test"
 </s> add     "## Unit Test\n",
    "\n",
    "#### The following unit test is expected to fail until you solve the challenge." </s> remove     "## Code"
 </s> add     "# Code: Modified Selection Sort"
   "execution_count": 3,
     ]
    },
    {
     "cell_type": "code",
   "execution_count": 3,
     "metadata": {
      "collapsed": false
     },
     "outputs": [
      {
keep keep keep keep replace keep keep keep keep keep
 added both solutions w/ test 
arrays_strings/group_items/group_ordered_solution.ipynb