From 42f06f8252ae537f1afe873cc68ffbc4af548201 Mon Sep 17 00:00:00 2001
From: rasbt <se.raschka@me.com>
Date: Sun, 13 Apr 2014 19:44:19 -0400
Subject: [PATCH] list reverse

---
 .../timeit_test-checkpoint.ipynb              | 82 ++++++++++++++++++-
 timeit_test.ipynb                             | 82 ++++++++++++++++++-
 2 files changed, 162 insertions(+), 2 deletions(-)

diff --git a/.ipynb_checkpoints/timeit_test-checkpoint.ipynb b/.ipynb_checkpoints/timeit_test-checkpoint.ipynb
index ed84d5c..8ac1b2f 100644
--- a/.ipynb_checkpoints/timeit_test-checkpoint.ipynb
+++ b/.ipynb_checkpoints/timeit_test-checkpoint.ipynb
@@ -1,13 +1,20 @@
 {
  "metadata": {
   "name": "",
-  "signature": "sha256:c78a9ef71605847c90e18bf10abda603339de473905dc928bd17aacd1ae5bee9"
+  "signature": "sha256:30bb811f79dc78fe63221c8960bb4237c811b94fdf197b6479709aff3244cb08"
  },
  "nbformat": 3,
  "nbformat_minor": 0,
  "worksheets": [
   {
    "cells": [
+    {
+     "cell_type": "markdown",
+     "metadata": {},
+     "source": [
+      "# Python benchmarks via `timeit`"
+     ]
+    },
     {
      "cell_type": "markdown",
      "metadata": {},
@@ -74,6 +81,8 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
+      "import timeit\n",
+      "\n",
       "def reverse_join(my_str):\n",
       "    return ''.join(reversed(my_str))\n",
       "    \n",
@@ -115,6 +124,77 @@
       }
      ],
      "prompt_number": 13
+    },
+    {
+     "cell_type": "markdown",
+     "metadata": {},
+     "source": [
+      "### List Reversing - `[::-1]` vs. `reverse()` vs. `reversed()`"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "import timeit\n",
+      "\n",
+      "def reverse_func(my_list):\n",
+      "    new_list = my_list[:]\n",
+      "    new_list.reverse()\n",
+      "    return new_list\n",
+      "    \n",
+      "def reversed_func(my_list):\n",
+      "    return list(reversed(my_list))\n",
+      "\n",
+      "def reverse_slizing(my_list):\n",
+      "    return my_list[::-1]\n",
+      "\n",
+      "%timeit reverse_func([1,2,3,4,5])\n",
+      "%timeit reversed_func([1,2,3,4,5])\n",
+      "%timeit reverse_slizing([1,2,3,4,5])\n",
+      "\n",
+      "# Python 3.4.0\n",
+      "# MacOS X 10.9.2\n",
+      "# 2.4 GHz Intel Core Duo\n",
+      "# 8 GB 1067 Mhz DDR3\n",
+      "#"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "1000000 loops, best of 3: 857 ns per loop\n",
+        "1000000 loops, best of 3: 1.78 \u00b5s per loop"
+       ]
+      },
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "\n",
+        "1000000 loops, best of 3: 758 ns per loop"
+       ]
+      },
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "\n"
+       ]
+      }
+     ],
+     "prompt_number": 10
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [],
+     "language": "python",
+     "metadata": {},
+     "outputs": []
     }
    ],
    "metadata": {}
diff --git a/timeit_test.ipynb b/timeit_test.ipynb
index ed84d5c..8ac1b2f 100644
--- a/timeit_test.ipynb
+++ b/timeit_test.ipynb
@@ -1,13 +1,20 @@
 {
  "metadata": {
   "name": "",
-  "signature": "sha256:c78a9ef71605847c90e18bf10abda603339de473905dc928bd17aacd1ae5bee9"
+  "signature": "sha256:30bb811f79dc78fe63221c8960bb4237c811b94fdf197b6479709aff3244cb08"
  },
  "nbformat": 3,
  "nbformat_minor": 0,
  "worksheets": [
   {
    "cells": [
+    {
+     "cell_type": "markdown",
+     "metadata": {},
+     "source": [
+      "# Python benchmarks via `timeit`"
+     ]
+    },
     {
      "cell_type": "markdown",
      "metadata": {},
@@ -74,6 +81,8 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
+      "import timeit\n",
+      "\n",
       "def reverse_join(my_str):\n",
       "    return ''.join(reversed(my_str))\n",
       "    \n",
@@ -115,6 +124,77 @@
       }
      ],
      "prompt_number": 13
+    },
+    {
+     "cell_type": "markdown",
+     "metadata": {},
+     "source": [
+      "### List Reversing - `[::-1]` vs. `reverse()` vs. `reversed()`"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "import timeit\n",
+      "\n",
+      "def reverse_func(my_list):\n",
+      "    new_list = my_list[:]\n",
+      "    new_list.reverse()\n",
+      "    return new_list\n",
+      "    \n",
+      "def reversed_func(my_list):\n",
+      "    return list(reversed(my_list))\n",
+      "\n",
+      "def reverse_slizing(my_list):\n",
+      "    return my_list[::-1]\n",
+      "\n",
+      "%timeit reverse_func([1,2,3,4,5])\n",
+      "%timeit reversed_func([1,2,3,4,5])\n",
+      "%timeit reverse_slizing([1,2,3,4,5])\n",
+      "\n",
+      "# Python 3.4.0\n",
+      "# MacOS X 10.9.2\n",
+      "# 2.4 GHz Intel Core Duo\n",
+      "# 8 GB 1067 Mhz DDR3\n",
+      "#"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "1000000 loops, best of 3: 857 ns per loop\n",
+        "1000000 loops, best of 3: 1.78 \u00b5s per loop"
+       ]
+      },
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "\n",
+        "1000000 loops, best of 3: 758 ns per loop"
+       ]
+      },
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "\n"
+       ]
+      }
+     ],
+     "prompt_number": 10
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [],
+     "language": "python",
+     "metadata": {},
+     "outputs": []
     }
    ],
    "metadata": {}