diff --git a/Python/python-MySQL.ipynb b/Python/python-MySQL.ipynb
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+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": 2,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Database version : 8.0.27-0ubuntu0.20.04.1 \n"
+     ]
+    }
+   ],
+   "source": [
+    "# 创建数据库连接尝试\n",
+    "#!/usr/bin/python3\n",
+    " \n",
+    "import pymysql\n",
+    " \n",
+    "# 打开数据库连接\n",
+    "db = pymysql.connect(host='localhost',\n",
+    "                     user='root',\n",
+    "                     password='ykl123',\n",
+    "                     database='malware')\n",
+    " \n",
+    "# 使用 cursor() 方法创建一个游标对象 cursor\n",
+    "cursor = db.cursor()\n",
+    " \n",
+    "# 使用 execute()  方法执行 SQL 查询 \n",
+    "cursor.execute(\"SELECT VERSION()\")\n",
+    " \n",
+    "# 使用 fetchone() 方法获取单条数据.\n",
+    "data = cursor.fetchone()\n",
+    " \n",
+    "print (\"Database version : %s \" % data)\n",
+    " \n",
+    "# 关闭数据库连接\n",
+    "db.close()"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "# 数据库插入操作\n",
+    "#!/usr/bin/python3\n",
+    " \n",
+    "import pymysql\n",
+    " \n",
+    "# 打开数据库连接\n",
+    "db = pymysql.connect(host='localhost',\n",
+    "                     user='testuser',\n",
+    "                     password='test123',\n",
+    "                     database='TESTDB')\n",
+    " \n",
+    "# 使用cursor()方法获取操作游标 \n",
+    "cursor = db.cursor()\n",
+    " \n",
+    "# SQL 插入语句\n",
+    "sql = \"INSERT INTO EMPLOYEE(FIRST_NAME, \\\n",
+    "       LAST_NAME, AGE, SEX, INCOME) \\\n",
+    "       VALUES ('%s', '%s',  %s,  '%s',  %s)\" % \\\n",
+    "       ('Mac', 'Mohan', 20, 'M', 2000)\n",
+    "try:\n",
+    "   # 执行sql语句\n",
+    "   cursor.execute(sql)\n",
+    "   # 执行sql语句\n",
+    "   db.commit()\n",
+    "except:\n",
+    "   # 发生错误时回滚\n",
+    "   db.rollback()\n",
+    " \n",
+    "# 关闭数据库连接\n",
+    "db.close()"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "# 数据库查询操作\n",
+    "\n",
+    "# fetchone(): 该方法获取下一个查询结果集。结果集是一个对象\n",
+    "# fetchall(): 接收全部的返回结果行.\n",
+    "# rowcount: 这是一个只读属性，并返回执行execute()方法后影响的行数。\n",
+    "\n",
+    "#!/usr/bin/python3\n",
+    " \n",
+    "import pymysql\n",
+    " \n",
+    "# 打开数据库连接\n",
+    "db = pymysql.connect(host='localhost',\n",
+    "                     user='testuser',\n",
+    "                     password='test123',\n",
+    "                     database='TESTDB')\n",
+    " \n",
+    "# 使用cursor()方法获取操作游标 \n",
+    "cursor = db.cursor()\n",
+    " \n",
+    "# SQL 查询语句\n",
+    "sql = \"SELECT * FROM EMPLOYEE \\\n",
+    "       WHERE INCOME > %s\" % (1000)\n",
+    "try:\n",
+    "   # 执行SQL语句\n",
+    "   cursor.execute(sql)\n",
+    "   # 获取所有记录列表\n",
+    "   results = cursor.fetchall()\n",
+    "   for row in results:\n",
+    "      fname = row[0]\n",
+    "      lname = row[1]\n",
+    "      age = row[2]\n",
+    "      sex = row[3]\n",
+    "      income = row[4]\n",
+    "       # 打印结果\n",
+    "      print (\"fname=%s,lname=%s,age=%s,sex=%s,income=%s\" % \\\n",
+    "             (fname, lname, age, sex, income ))\n",
+    "except:\n",
+    "   print (\"Error: unable to fetch data\")\n",
+    " \n",
+    "# 关闭数据库连接\n",
+    "db.close()"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "# 数据库更新操作\n",
+    "#!/usr/bin/python3\n",
+    " \n",
+    "import pymysql\n",
+    " \n",
+    "# 打开数据库连接\n",
+    "db = pymysql.connect(host='localhost',\n",
+    "                     user='testuser',\n",
+    "                     password='test123',\n",
+    "                     database='TESTDB')\n",
+    " \n",
+    "# 使用cursor()方法获取操作游标 \n",
+    "cursor = db.cursor()\n",
+    " \n",
+    "# SQL 更新语句\n",
+    "sql = \"UPDATE EMPLOYEE SET AGE = AGE + 1 WHERE SEX = '%c'\" % ('M')\n",
+    "try:\n",
+    "   # 执行SQL语句\n",
+    "   cursor.execute(sql)\n",
+    "   # 提交到数据库执行\n",
+    "   db.commit()\n",
+    "except:\n",
+    "   # 发生错误时回滚\n",
+    "   db.rollback()\n",
+    " \n",
+    "# 关闭数据库连接\n",
+    "db.close()\n"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "# 数据库删除操作\n",
+    "\n",
+    "#!/usr/bin/python3\n",
+    " \n",
+    "import pymysql\n",
+    " \n",
+    "# 打开数据库连接\n",
+    "db = pymysql.connect(host='localhost',\n",
+    "                     user='testuser',\n",
+    "                     password='test123',\n",
+    "                     database='TESTDB')\n",
+    " \n",
+    "# 使用cursor()方法获取操作游标 \n",
+    "cursor = db.cursor()\n",
+    " \n",
+    "# SQL 删除语句\n",
+    "sql = \"DELETE FROM EMPLOYEE WHERE AGE > %s\" % (20)\n",
+    "try:\n",
+    "   # 执行SQL语句\n",
+    "   cursor.execute(sql)\n",
+    "   # 提交修改\n",
+    "   db.commit()\n",
+    "except:\n",
+    "   # 发生错误时回滚\n",
+    "   db.rollback()\n",
+    " \n",
+    "# 关闭连接\n",
+    "db.close()"
+   ]
+  }
+ ],
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