remove large files

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.gitignore

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 /*/mnist/*
 static files/*
 /*/novels/*
+/*/*.model

01. python tools/01.01 python overview.ipynb

@@ -0,0 +1,243 @@
+{
+ "cells": [
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "collapsed": true
+   },
+   "source": [
+    "# Python 简介"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## **Python** 历史"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "`Python` 的创始人为荷兰人吉多·范罗苏姆（`Guido van Rossum`）。1989年的圣诞节期间，吉多·范罗苏姆为了在阿姆斯特丹打发时间，决心开发一个新的脚本解释程序，作为 ABC 语言的一种继承。之所以选中 `Python` 作为程序的名字，是因为他是 BBC 电视剧——蒙提·派森的飞行马戏团（`Monty Python's Flying Circus`）的爱好者。\n",
+    "\n",
+    "1991年，第一个 Python 编译器诞生。它是用C语言实现的，并能够调用C语言的库文件。\n",
+    "\n",
+    "`Python 2.0` 于 2000 年 10 月 16 日发布，增加了实现完整的垃圾回收，并且支持 `Unicode`。\n",
+    "\n",
+    "`Python 3.0` 于 2008 年 12 月 3 日发布，此版不完全兼容之前的 `Python` 源代码。不过，很多新特性后来也被移植到旧的 `Python 2.6/2.7` 版本。"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## 第一行Python代码"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "安装好 `Python` 之后，在命令行下输入：\n",
+    "\n",
+    "    python\n",
+    "\n",
+    "就可以进入 `Python` 解释器的页面。\n",
+    "\n",
+    "按照惯例，第一行代码应该是输出 `\"hello world!\"`："
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 1,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "hello world!\n"
+     ]
+    }
+   ],
+   "source": [
+    "print \"hello world!\""
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "相对与 `Java，C` 等语言，`Python` 仅仅使用一行语句就完成的了这个任务。\n",
+    "\n",
+    "可以将这句话的内容保存到一个文本文件中，并使用后缀名 `.py` 结尾，例如 `hello_world.py`，在命令行下运行这个程序：\n",
+    "\n",
+    "    python hello_world.py\n",
+    "\n",
+    "也会输出 `\"hello world!\"` 的结果。"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## Python 之禅"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "在 **Python** 解释器下输入 \n",
+    "\n",
+    "```import this```\n",
+    "\n",
+    "会出来这样一首小诗："
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 2,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "The Zen of Python, by Tim Peters\n",
+      "\n",
+      "Beautiful is better than ugly.\n",
+      "Explicit is better than implicit.\n",
+      "Simple is better than complex.\n",
+      "Complex is better than complicated.\n",
+      "Flat is better than nested.\n",
+      "Sparse is better than dense.\n",
+      "Readability counts.\n",
+      "Special cases aren't special enough to break the rules.\n",
+      "Although practicality beats purity.\n",
+      "Errors should never pass silently.\n",
+      "Unless explicitly silenced.\n",
+      "In the face of ambiguity, refuse the temptation to guess.\n",
+      "There should be one-- and preferably only one --obvious way to do it.\n",
+      "Although that way may not be obvious at first unless you're Dutch.\n",
+      "Now is better than never.\n",
+      "Although never is often better than *right* now.\n",
+      "If the implementation is hard to explain, it's a bad idea.\n",
+      "If the implementation is easy to explain, it may be a good idea.\n",
+      "Namespaces are one honking great idea -- let's do more of those!\n"
+     ]
+    }
+   ],
+   "source": [
+    "import this"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "这首诗反映了**Python**的设计哲学——**Python**是一种追求优雅，明确，简单的编程语言，但事实上，产生这首诗的代码并没有写的那么简单易懂："
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 3,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "The Zen of Python, by Tim Peters\n",
+      "\n",
+      "Beautiful is better than ugly.\n",
+      "Explicit is better than implicit.\n",
+      "Simple is better than complex.\n",
+      "Complex is better than complicated.\n",
+      "Flat is better than nested.\n",
+      "Sparse is better than dense.\n",
+      "Readability counts.\n",
+      "Special cases aren't special enough to break the rules.\n",
+      "Although practicality beats purity.\n",
+      "Errors should never pass silently.\n",
+      "Unless explicitly silenced.\n",
+      "In the face of ambiguity, refuse the temptation to guess.\n",
+      "There should be one-- and preferably only one --obvious way to do it.\n",
+      "Although that way may not be obvious at first unless you're Dutch.\n",
+      "Now is better than never.\n",
+      "Although never is often better than *right* now.\n",
+      "If the implementation is hard to explain, it's a bad idea.\n",
+      "If the implementation is easy to explain, it may be a good idea.\n",
+      "Namespaces are one honking great idea -- let's do more of those!\n"
+     ]
+    }
+   ],
+   "source": [
+    "s = \"\"\"Gur Mra bs Clguba, ol Gvz Crgref\n",
+    "\n",
+    "Ornhgvshy vf orggre guna htyl.\n",
+    "Rkcyvpvg vf orggre guna vzcyvpvg.\n",
+    "Fvzcyr vf orggre guna pbzcyrk.\n",
+    "Pbzcyrk vf orggre guna pbzcyvpngrq.\n",
+    "Syng vf orggre guna arfgrq.\n",
+    "Fcnefr vf orggre guna qrafr.\n",
+    "Ernqnovyvgl pbhagf.\n",
+    "Fcrpvny pnfrf nera'g fcrpvny rabhtu gb oernx gur ehyrf.\n",
+    "Nygubhtu cenpgvpnyvgl orngf chevgl.\n",
+    "Reebef fubhyq arire cnff fvyragyl.\n",
+    "Hayrff rkcyvpvgyl fvyraprq.\n",
+    "Va gur snpr bs nzovthvgl, ershfr gur grzcgngvba gb thrff.\n",
+    "Gurer fubhyq or bar-- naq cersrenoyl bayl bar --boivbhf jnl gb qb vg.\n",
+    "Nygubhtu gung jnl znl abg or boivbhf ng svefg hayrff lbh'er Qhgpu.\n",
+    "Abj vf orggre guna arire.\n",
+    "Nygubhtu arire vf bsgra orggre guna *evtug* abj.\n",
+    "Vs gur vzcyrzragngvba vf uneq gb rkcynva, vg'f n onq vqrn.\n",
+    "Vs gur vzcyrzragngvba vf rnfl gb rkcynva, vg znl or n tbbq vqrn.\n",
+    "Anzrfcnprf ner bar ubaxvat terng vqrn -- yrg'f qb zber bs gubfr!\"\"\"\n",
+    "\n",
+    "d = {}\n",
+    "for c in (65, 97):\n",
+    "    for i in range(26):\n",
+    "        d[chr(i+c)] = chr((i+13) % 26 + c)\n",
+    "\n",
+    "print \"\".join([d.get(c, c) for c in s])"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "> Life is short. Use Python."
+   ]
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 2",
+   "language": "python",
+   "name": "python2"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 2
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython2",
+   "version": "2.7.6"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 0
+}