          assert_equal(data, [5])
  
          print('Two or more elements')
          data = [5, 1, 7, 2, 6, -3, 5, 7, -1]
          data = func(data)
          assert_equal(data, sorted(data))
  
          print('Success: test_quick_sort\n')
  
  
  def main():
 
</s> remove         func(data)
        assert_equal(data, [5])
 </s> add         sorted_data = func(data)
        assert_equal(sorted_data, [5]) </s> remove         func(data)
        assert_equal(data, [])
 </s> add         sorted_data = func(data)
        assert_equal(sorted_data, []) </s> remove     "        data = func(data)\n",
    "        assert_equal(data, sorted(data))\n",
 </s> add     "        sorted_data = func(data)\n",
    "        assert_equal(sorted_data, sorted(data))\n", </s> remove     "        data = func(data)\n",
    "        assert_equal(data, sorted(data))\n",
 </s> add     "        sorted_data = func(data)\n",
    "        assert_equal(sorted_data, sorted(data))\n", </s> remove     "        func(data)\n",
    "        assert_equal(data, [5])\n",
 </s> add     "        sorted_data = func(data)\n",
    "        assert_equal(sorted_data, [5])\n",
        sorted_data = func(data)
        assert_equal(sorted_data, sorted(data))
          assert_equal(data, [5])
  
          print('Two or more elements')
          data = [5, 1, 7, 2, 6, -3, 5, 7, -1]
        sorted_data = func(data)
        assert_equal(sorted_data, sorted(data))
        sorted_data = func(data)
        assert_equal(sorted_data, sorted(data))
  
          print('Success: test_quick_sort\n')
  
  
  def main():
keep keep keep keep replace replace keep keep keep keep keep
 Fixed #23: Quicksort unit tests aren't correctly testing the returned value from quick_sort. 
sorting_searching/quick_sort/test_quick_sort.py