Improve python tutorials

0_python/1_Basics.ipynb

@@ -20,15 +20,38 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "## import\n",
-    "\n",
-    "```\n",
+    "## 1. import & Zen of Python\n"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 1,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "['1_Basics.ipynb',\n",
+       " '2_Print_Statement.ipynb',\n",
+       " '3_Data_Structure_1.ipynb',\n",
+       " '4_Data_Structure_2.ipynb',\n",
+       " '5_Control_Flow.ipynb',\n",
+       " '6_Function.ipynb',\n",
+       " '7_Class.ipynb',\n",
+       " 'Python.pdf',\n",
+       " 'README.md',\n",
+       " '.ipynb_checkpoints']"
+      ]
+     },
+     "execution_count": 1,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "# 导入库\n",
     "import os\n",
-    "```\n",
-    "\n",
-    "$$\n",
-    "f(x) = sin(x)\n",
-    "$$"
+    "os.listdir('.')"
    ]
   },
   {
@@ -72,7 +95,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "# Variables"
+    "## 2. Variables"
    ]
   },
   {
@@ -147,14 +170,14 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "# Operators"
+    "## 3. Operators"
    ]
   },
   {
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "## Arithmetic Operators"
+    "### 3.1 Arithmetic Operators"
    ]
   },
   {
@@ -350,7 +373,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "## Relational Operators"
+    "### 3.2 Relational Operators"
    ]
   },
   {
@@ -420,7 +443,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "## Bitwise Operators"
+    "### 3.3 Bitwise Operators"
    ]
   },
   {
@@ -532,7 +555,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "# Built-in Functions"
+    "## 4. Built-in Functions"
    ]
   },
   {
@@ -546,7 +569,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "## Conversion from one system to another"
+    "### 4.1 Conversion from one system to another"
    ]
   },
   {
@@ -721,7 +744,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "## Simplifying Arithmetic Operations"
+    "### 4.2 Simplifying Arithmetic Operations"
    ]
   },
   {
@@ -920,7 +943,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "## Accepting User Inputs"
+    "### 4.3 Accepting User Inputs"
    ]
   },
   {
@@ -984,7 +1007,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.5.2"
+   "version": "3.6.8"
   }
  },
  "nbformat": 4,

0_python/2_Print_Statement.ipynb

@@ -231,7 +231,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "## Other Examples"
+    "## 1. Other Examples"
    ]
   },
   {
@@ -342,31 +342,35 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 18,
+   "execution_count": 2,
    "metadata": {},
    "outputs": [
     {
-     "ename": "SyntaxError",
-     "evalue": "Missing parentheses in call to 'print' (<ipython-input-18-92e95899b5a9>, line 5)",
-     "output_type": "error",
-     "traceback": [
-      "\u001b[0;36m  File \u001b[0;32m\"<ipython-input-18-92e95899b5a9>\"\u001b[0;36m, line \u001b[0;32m5\u001b[0m\n\u001b[0;31m    \"\"\"\u001b[0m\n\u001b[0m       \n^\u001b[0m\n\u001b[0;31mSyntaxError\u001b[0m\u001b[0;31m:\u001b[0m Missing parentheses in call to 'print'\n"
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "\n",
+      "Routine:\n",
+      "\t- Eat\n",
+      "\t- Sleep\n",
+      "\t- Repeat\n",
+      "\n"
      ]
     }
    ],
    "source": [
-    "print \"\"\"\n",
+    "print(\"\"\"\n",
     "Routine:\n",
     "\\t- Eat\n",
     "\\t- Sleep\\n\\t- Repeat\n",
-    "\"\"\""
+    "\"\"\")"
    ]
   },
   {
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "# PrecisionWidth and FieldWidth"
+    "# 2. PrecisionWidth and FieldWidth"
    ]
   },
   {
@@ -575,7 +579,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.5.2"
+   "version": "3.6.8"
   }
  },
  "nbformat": 4,

0_python/3_Data_Structure_1.ipynb

@@ -18,7 +18,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "## Lists"
+    "## 1. Lists"
    ]
   },
   {
@@ -85,7 +85,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "### Indexing"
+    "### 1.1 Indexing"
    ]
   },
   {
@@ -296,7 +296,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "### Slicing"
+    "### 1.2 Slicing"
    ]
   },
   {
@@ -380,7 +380,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "### Built in List Functions"
+    "### 1.3 Built in List Functions"
    ]
   },
   {
@@ -1202,7 +1202,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "### Copying a list"
+    "### 1.4 Copying a list"
    ]
   },
   {
@@ -1362,7 +1362,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "## Tuples"
+    "## 2. Tuples"
    ]
   },
   {
@@ -1531,7 +1531,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "### Mapping one tuple to another"
+    "### 2.1 Mapping one tuple to another"
    ]
   },
   {
@@ -1582,7 +1582,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "### Built In Tuple functions"
+    "### 2.2 Built In Tuple functions"
    ]
   },
   {
@@ -1643,7 +1643,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "## Sets"
+    "## 3. Sets"
    ]
   },
   {
@@ -1702,7 +1702,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "### Built-in Functions"
+    "### 3.1 Built-in Functions"
    ]
   },
   {
@@ -1991,7 +1991,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.5.2"
+   "version": "3.6.8"
   }
  },
  "nbformat": 4,

0_python/4_Data_Structure_2.ipynb

@@ -4,7 +4,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "## Strings"
+    "## 1. Strings"
    ]
   },
   {
@@ -88,7 +88,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "### Built-in Functions"
+    "### 1.1 Built-in Functions"
    ]
   },
   {
@@ -792,7 +792,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "## Dictionaries"
+    "## 2. Dictionaries"
    ]
   },
   {
@@ -971,7 +971,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "### Built-in Functions"
+    "### 2.1 Built-in Functions"
    ]
   },
   {
@@ -1172,7 +1172,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.5.2"
+   "version": "3.6.8"
   }
  },
  "nbformat": 4,

0_python/5_Control_Flow.ipynb

@@ -11,7 +11,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "## If"
+    "## 1. If"
    ]
   },
   {
@@ -48,7 +48,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "## If-else"
+    "## 2. If-else"
    ]
   },
   {
@@ -89,7 +89,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "## if-elif"
+    "## 3. if-elif"
    ]
   },
   {
@@ -173,14 +173,14 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "## Loops"
+    "## 4. Loops"
    ]
   },
   {
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "### For"
+    "### 4.1 For"
    ]
   },
   {
@@ -307,7 +307,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "### While"
+    "### 4.2 While"
    ]
   },
   {
@@ -363,7 +363,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "## Break"
+    "## 5. Break"
    ]
   },
   {
@@ -404,7 +404,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "## Continue"
+    "## 6. Continue"
    ]
   },
   {
@@ -449,7 +449,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "## List Comprehensions"
+    "## 7. List Comprehensions"
    ]
   },
   {
@@ -685,7 +685,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.5.2"
+   "version": "3.6.8"
   }
  },
  "nbformat": 4,

0_python/6_Function.ipynb

@@ -209,7 +209,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "## Return Statement"
+    "## 1. Return Statement"
    ]
   },
   {
@@ -415,7 +415,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "## Implicit arguments"
+    "## 2. Implicit arguments"
    ]
   },
   {
@@ -520,7 +520,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "## Any number of arguments"
+    "## 3. Any number of arguments"
    ]
   },
   {
@@ -645,7 +645,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "## Global and Local Variables"
+    "## 4. Global and Local Variables"
    ]
   },
   {
@@ -657,7 +657,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 41,
+   "execution_count": 10,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -673,127 +673,61 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 42,
+   "execution_count": 11,
    "metadata": {},
    "outputs": [],
    "source": [
     "def egfunc1():\n",
-    "    def thirdfunc(arg1):\n",
-    "        eg2 = arg1[:]\n",
-    "        #eg2 = arg1\n",
-    "        eg2.append(6)\n",
-    "        print(\"This is happening inside the function :\", eg2)\n",
-    "    \n",
-    "    # what's the difference between following two lines?\n",
-    "    #eg1.append(7)\n",
     "    eg1 = [1, 2, 3, 4, 5, 7]\n",
-    "    \n",
-    "    print(\"This is happening before the function is called : \", eg1)\n",
-    "    thirdfunc(eg1)\n",
-    "    \n",
-    "    print(\"This is happening outside the function :\", eg1) \n",
-    "    #print(\"Accessing a variable declared inside the function from outside :\" , eg2)"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 43,
-   "metadata": {},
-   "outputs": [
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "This is happening before the function is called :  [1, 2, 3, 4, 5, 7]\n",
-      "This is happening inside the function : [1, 2, 3, 4, 5, 7, 6]\n",
-      "This is happening outside the function : [1, 2, 3, 4, 5, 7]\n",
-      "[1, 2, 3, 4, 5]\n"
-     ]
-    }
-   ],
-   "source": [
-    "egfunc1()\n",
-    "print(eg1)"
-   ]
-  },
-  {
-   "cell_type": "markdown",
-   "metadata": {},
-   "source": [
-    "If a **global** variable is defined as shown in the example below then that variable can be called from anywhere."
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 27,
-   "metadata": {},
-   "outputs": [
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "\n"
-     ]
-    }
-   ],
-   "source": [
-    "eg3 = [1,2,3,4,5]"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 44,
-   "metadata": {},
-   "outputs": [
-    {
-     "name": "stderr",
-     "output_type": "stream",
-     "text": [
-      "<ipython-input-44-9b54e42c4e6f>:8: SyntaxWarning: name 'eg1' is used prior to global declaration\n",
-      "  global eg1\n"
-     ]
-    }
-   ],
-   "source": [
-    "def egfunc1():\n",
-    "    def thirdfunc(arg1):\n",
-    "        global eg2\n",
-    "        eg2 = arg1[:]\n",
-    "        eg2.append(6)\n",
-    "        print(\"This is happening inside the function :\", eg2)\n",
-    "    print(\"This is happening before the function is called : \", eg1)\n",
+    "    print(\"egfunc1>> eg1: \", eg1)\n",
+    "\n",
+    "def egfunc2():\n",
+    "    eg1.append(8)\n",
+    "    print(\"egfunc2>> eg1: \", eg1)\n",
+    "\n",
+    "def egfunc3():\n",
     "    global eg1\n",
-    "    eg1 = [1, 2, 3, 4, 5, 7]\n",
-    "    thirdfunc(eg1)\n",
-    "    print(\"This is happening outside the function :\", eg1) \n",
-    "    print(\"Accessing a variable declared inside the function from outside :\" , eg2)"
+    "    eg1 = [5, 4, 3, 2, 1]\n",
+    "    print(\"egfunc3>> eg1: \", eg1)"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": 29,
+   "execution_count": 12,
    "metadata": {},
    "outputs": [
     {
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "This is happening before the function is called :  [1, 2, 3, 4, 5]\n",
-      "This is happening inside the function : [1, 2, 3, 4, 5, 6]\n",
-      "This is happening outside the function : [1, 2, 3, 4, 5]\n",
-      "Accessing a variable declared inside the function from outside : [1, 2, 3, 4, 5, 6]\n"
+      "egfunc1>> eg1:  [1, 2, 3, 4, 5, 7]\n",
+      "eg1:  [1, 2, 3, 4, 5] \n",
+      "\n",
+      "egfunc2>> eg1:  [1, 2, 3, 4, 5, 8]\n",
+      "eg1:  [1, 2, 3, 4, 5, 8] \n",
+      "\n",
+      "egfunc3>> eg1:  [5, 4, 3, 2, 1]\n",
+      "eg1:  [5, 4, 3, 2, 1] \n",
+      "\n"
      ]
     }
    ],
    "source": [
-    "egfunc1()"
+    "egfunc1()\n",
+    "print(\"eg1: \", eg1, \"\\n\")\n",
+    "\n",
+    "egfunc2()\n",
+    "print(\"eg1: \", eg1, \"\\n\")\n",
+    "\n",
+    "egfunc3()\n",
+    "print(\"eg1: \", eg1, \"\\n\")\n"
    ]
   },
   {
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "## Lambda Functions"
+    "## 5. Lambda Functions"
    ]
   },
   {
@@ -900,7 +834,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "### map"
+    "### 5.1 map"
    ]
   },
   {
@@ -1018,7 +952,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "### filter"
+    "### 5.2 filter"
    ]
   },
   {
@@ -1133,7 +1067,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.5.2"
+   "version": "3.6.8"
   }
  },
  "nbformat": 4,

0_python/7_Class.ipynb

@@ -765,7 +765,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "## Inheritance"
+    "## 1. Inheritance"
    ]
   },
   {
@@ -1270,19 +1270,17 @@
     "Now that you have been introduced to python, You can try out the different python libraries in the field of your interest. I highly recommend you to check out this curated list of Python frameworks, libraries and software http://awesome-python.com\n",
     "\n",
     "\n",
-    "The official python documentation : https://docs.python.org/2/\n",
+    "The official python documentation : https://docs.python.org/3/\n",
     "\n",
+    "Pyton tutorials:\n",
+    "* [Python tutorial (廖雪峰）](https://www.liaoxuefeng.com/wiki/1016959663602400)\n",
+    "* [Python基础教程](https://www.runoob.com/python/python-tutorial.html)\n",
+    "* [Python官方教程（中文版)](https://docs.python.org/zh-cn/3/tutorial/index.html)\n",
     "\n",
     "You can also check out Python practice programs written by my friend, Kartik Kannapur. Github Repo : https://github.com/rajathkumarmp/Python-Lectures \n",
     "\n",
     "\n",
-    "Enjoy solving problem statements because life is short, you need python!\n",
-    "\n",
-    "\n",
-    "Peace.\n",
-    "\n",
-    "\n",
-    "Rajath Kumar M.P ( rajathkumar dot exe at gmail dot com)"
+    "Enjoy solving problem statements because life is short, you need python!\n"
    ]
   }
  ],
@@ -1302,7 +1300,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.5.2"
+   "version": "3.6.8"
   }
  },
  "nbformat": 4,

0_python/README.md

@@ -6,6 +6,7 @@ Python 是一门上手简单、功能强大、通用型的脚本编程语言。P
 本教程来自[IPython Notebooks to learn Python](https://github.com/rajathkmp/Python-Lectures)，将其中部分示例代码转化成Python3。关于Python的按照可以自行去网络上查找相关的资料，或者参考[安装Python环境](../tips/InstallPython.md)。
 
 ## 内容
+0. [Install Python](../tips/InstallPython.md)
 1. [Basics](1_Basics.ipynb)
     - Why Python, Zen of Python
     - Variables, Operators, Built-in functions

README.md

@@ -11,7 +11,6 @@
 1. [课程简介](CourseIntroduction.pdf)
 2. [Python](0_python/)
    - [Install Python](tips/InstallPython.md)
-   - [Introduction](0_python/0_Introduction.ipynb)
    - [Python Basics](0_python/1_Basics.ipynb)
    - [Print Statement](0_python/2_Print_Statement.ipynb)
    - [Data Structure 1](0_python/3_Data_Structure_1.ipynb)