Python Basic

gistfile1.txt

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 "worksheets": [
  {
   "cells": [
    {
     "cell_type": "heading",
     "level": 1,
     "metadata": {},
     "source": [
      "\u57fa\u672c\u8a9e\u6cd5"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "#\u9019\u662fJAVA\u7684HELLO WORLD!\n",
      "\"\"\"\n",
      "class HelloWorldApp {\n",
      "    public static void main(String[] args) {\n",
      "        System.out.println(\"Hello World!\"); // Display the string.\n",
      "    }\n",
      "}\n",
      "\"\"\"\n",
      "\n",
      "#\u9019\u662fPTHON\u7684HELLO WORLD\n",
      "print \"Hello World!\""
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Hello World!\n"
       ]
      }
     ],
     "prompt_number": 1
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# python \u4e0d\u9700\u8981\u5148\u6307\u5b9a\u8b8a\u9805\u578b\u614b\n",
      "my_int = 7\n",
      "my_float = 1.23\n",
      "my_bool = True\n",
      "\n",
      "print my_int \n",
      "print my_float\n",
      "print my_bool\n",
      "print my_int * my_float"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "7\n",
        "1.23\n",
        "True\n",
        "8.61\n"
       ]
      }
     ],
     "prompt_number": 5
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# Python\u900f\u904e\":\"\u548c\u7e2e\u6392\u4f86\u7ba1\u7406\u8a9e\u6cd5\n",
      "def spam():\n",
      "    eggs = 12\n",
      "    return eggs\n",
      "print spam()"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "12\n"
       ]
      }
     ],
     "prompt_number": 6
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# +-*/\n",
      "\n",
      "print 5 + 2 + 8\n",
      "print 5 - 2 - 8\n",
      "print 5 * 2 * 8\n",
      "print 5 / 2 + 8\n",
      "\n",
      "## \u96a8\u8457\u6578\u5165\u6578\u503c\u800c\u81ea\u52d5\u6539\u8b8a\u8b8a\u9805\u578b\u614b\n",
      "print 5.0 / 2 +8\n"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "15\n",
        "-5\n",
        "80\n",
        "10\n",
        "10.5\n"
       ]
      }
     ],
     "prompt_number": 11
    },
    {
     "cell_type": "heading",
     "level": 2,
     "metadata": {},
     "source": [
      "\u5b57\u4e32\u5c31\u662f\u9663\u5217"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "my_name = \"Bryan\"\n",
      "print my_name"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Bryan\n"
       ]
      }
     ],
     "prompt_number": 12
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "#\u8df3\u812b\u5b57\u5143 \\'\n",
      "\n",
      "my_blog = 'Bryan's \u884c\u92b7\u7814\u7a76\u53ca\u8cc7\u6599\u5206\u6790\u7b46\u8a18'\n",
      "print my_blog"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "ename": "SyntaxError",
       "evalue": "invalid syntax (<ipython-input-18-81e24fb25f39>, line 2)",
       "output_type": "pyerr",
       "traceback": [
        "\u001b[1;36m  File \u001b[1;32m\"<ipython-input-18-81e24fb25f39>\"\u001b[1;36m, line \u001b[1;32m2\u001b[0m\n\u001b[1;33m    my_blog = 'Bryan's \u884c\u92b7\u7814\u7a76\u53ca\u8cc7\u6599\u5206\u6790\u7b46\u8a18'\u001b[0m\n\u001b[1;37m                     ^\u001b[0m\n\u001b[1;31mSyntaxError\u001b[0m\u001b[1;31m:\u001b[0m invalid syntax\n"
       ]
      }
     ],
     "prompt_number": 18
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "\n",
      "# \u6709\u95dc\u4e2d\u6587encode\u7684\u554f\u984c\u53ef\u4ee5\u53c3\u8003\u4e0b\u65b9\u9023\u7d50\n",
      "# http://blog.wahahajk.com/2009/08/unicodedecodeerror-ascii-codec-cant.html\n",
      "\n",
      "# index \u5f9e0\u958b\u59cb\n",
      "my_blog = u'Bryan\\'s \u884c\u92b7\u7814\u7a76\u53ca\u8cc7\u6599\u5206\u6790\u7b46\u8a18'\n",
      "B = my_blog[0]\n",
      "print B\n",
      "\n",
      "\n",
      "    "
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "B\n"
       ]
      }
     ],
     "prompt_number": 40
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# \u8df3\u812b\u5b57\u5143\u4e0d\u5360\u4f4d\u7f6e \u7a7a\u767d\u5360\u4f4d\u7f6e\n",
      "pos = 0\n",
      "for i in my_blog:\n",
      "    print pos, i\n",
      "    pos += 1"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "0 B\n",
        "1 r\n",
        "2 y\n",
        "3 a\n",
        "4 n\n",
        "5 '\n",
        "6 s\n",
        "7  \n",
        "8 \u884c\n",
        "9 \u92b7\n",
        "10 \u7814\n",
        "11 \u7a76\n",
        "12 \u53ca\n",
        "13 \u8cc7\n",
        "14 \u6599\n",
        "15 \u5206\n",
        "16 \u6790\n",
        "17 \u7b46\n",
        "18 \u8a18\n"
       ]
      }
     ],
     "prompt_number": 41
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# string \u7684 method\n",
      "# len()\n",
      "# lower()\n",
      "# upper()\n",
      "\n",
      "print len(my_blog)\n",
      "print my_blog.lower()\n",
      "print my_blog.upper()\n"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "19\n",
        "bryan's \u884c\u92b7\u7814\u7a76\u53ca\u8cc7\u6599\u5206\u6790\u7b46\u8a18\n",
        "BRYAN'S \u884c\u92b7\u7814\u7a76\u53ca\u8cc7\u6599\u5206\u6790\u7b46\u8a18\n"
       ]
      }
     ],
     "prompt_number": 46
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# \u96d6\u7136PYTHON\u5b9a\u7fa9\u8b8a\u9805\u6642\u4e0d\u9808\u6307\u5b9a\u8b8a\u9805\u578b\u614b \n",
      "# \u4f46\u662f\u5728\u64cd\u4f5c\u4e0a\u9084\u662f\u9700\u8981\u6ce8\u610f\u8b8a\u9805\u578b\u614b\n",
      "\n",
      "x = 19\n",
      "\n",
      "print x\n",
      "#print \"\u767d\u718a\u7684\u5e74\u9f61\u662f? \" + x + \"\u6b72\" \n",
      "print \"\u767d\u718a\u7684\u5e74\u9f61\u662f? \" + str(x) + \"\u6b72\""
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "19\n",
        "\u767d\u718a\u7684\u5e74\u9f61\u662f? 19\u6b72\n"
       ]
      }
     ],
     "prompt_number": 51
    }
   ],
   "metadata": {}
  }
 ]
}