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Diffstat (limited to '_Programming_With_C/chapter13.ipynb')
-rw-r--r-- | _Programming_With_C/chapter13.ipynb | 180 |
1 files changed, 0 insertions, 180 deletions
diff --git a/_Programming_With_C/chapter13.ipynb b/_Programming_With_C/chapter13.ipynb deleted file mode 100644 index fe4b86df..00000000 --- a/_Programming_With_C/chapter13.ipynb +++ /dev/null @@ -1,180 +0,0 @@ -{
- "metadata": {
- "name": ""
- },
- "nbformat": 3,
- "nbformat_minor": 0,
- "worksheets": [
- {
- "cells": [
- {
- "cell_type": "markdown",
- "metadata": {},
- "source": [
- "<h1>Chapter 13: File Handling<h1>"
- ]
- },
- {
- "cell_type": "markdown",
- "metadata": {},
- "source": [
- "<h3>Example 13.3, Page 12.4<h3>"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "\n",
- "fp=open(\"output.txt\",'w')\n",
- "for k in range(65,91):\n",
- "\tfp.write(str(k)+'\\n')\n",
- "fp.close()\n",
- "\n",
- "\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [],
- "prompt_number": 5
- },
- {
- "cell_type": "markdown",
- "metadata": {},
- "source": [
- "<h3>Example 13.7, Page 13.8<h3>"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "\n",
- "from ctypes import *\n",
- "\n",
- "string=c_char*40\n",
- "\n",
- "class date(Structure):\n",
- "\t_fields_=[('month',c_int),('day',c_int),('year',c_int)]\n",
- "\t\n",
- "class account(Structure):\n",
- "\t_fields_=[('name',string),('street',string),('city',string),('acct_no',c_int),('oldbalance',c_float),('payment',c_float),('lastpayment',date),('acct_type',c_char),('newbalance',c_float)]\n",
- "\n",
- "\n",
- "def writefile(obj,fpt):\n",
- "\tfpt.write(obj.name+'\\n')\n",
- "\tfpt.write(obj.city+'\\n')\n",
- "\tfpt.write(str(obj.acct_no)+'\\n')\n",
- "\tfpt.write(obj.acct_type+'\\n')\n",
- "\tfpt.write(str(obj.oldbalance)+'\\n')\n",
- "\tfpt.write(str(obj.newbalance)+'\\n')\n",
- "\tfpt.write(str(obj.payment)+'\\n')\n",
- "\tfpt.write(str(obj.lastpayment.month)+' ')\n",
- "\tfpt.write(str(obj.lastpayment.day)+' ')\n",
- "\tfpt.write(str(obj.lastpayment.year)+'\\n\\n')\n",
- "\t\n",
- "\treturn\t\n",
- "\t\n",
- "fpt=open('records.txt','w')\n",
- "\n",
- "\n",
- "customer=[]\n",
- "\n",
- "name='Steve Johnson'\n",
- "street='123 Mountainview Drive '\n",
- "city='Denver . CO'\n",
- "acct_no=4208\n",
- "oldbalance=247.88\n",
- "payment=25.00\n",
- "lastpay=date(6,14,1998)\n",
- "customer.append(account(name,street,city,acct_no,oldbalance,payment,lastpay))\n",
- "\n",
- "name='Susan Richards'\n",
- "street='4383 Aligator Blvd'\n",
- "city='Fort Lauderdale. FL'\n",
- "acct_no=2219\n",
- "oldbalance=135.00\n",
- "payment=135.00\n",
- "lastpay=date(8,10,2000)\n",
- "customer.append(account(name,street,city,acct_no,oldbalance,payment,lastpay))\n",
- "\n",
- "name='Martin Peterson'\n",
- "street='1787 Pacific Parkway'\n",
- "city='San Diego. CA'\n",
- "acct_no=8452\n",
- "oldbalance=387.42\n",
- "payment=35.00\n",
- "lastpay=date(9,22,1999)\n",
- "customer.append(account(name,street,city,acct_no,oldbalance,payment,lastpay))\n",
- "\n",
- "name='Phyllis Smith'\n",
- "street='1000 Great White Way'\n",
- "city='New York. NY'\n",
- "acct_no=711\n",
- "oldbalance=260.00\n",
- "payment=0.00\n",
- "lastpay=date(11,27,2001)\n",
- "customer.append(account(name,street,city,acct_no,oldbalance,payment,lastpay))\n",
- "\n",
- "\n",
- "\n",
- "for i in range(0,4):\n",
- "\tif customer[i].payment>0:\n",
- "\t\tif customer[i].payment<0.1*customer[i].oldbalance:\n",
- "\t\t\tcustomer[i].acct_type='O'\n",
- "\t\telse:\n",
- "\t\t\tcustomer[i].acct_type='C'\n",
- "\telse:\n",
- "\t\tif customer[i].oldbalance>0:\n",
- "\t\t\tcustomer[i].acct_type='D'\n",
- "\t\telse:\n",
- "\t\t\tcustomer[i].acct_type='C'\n",
- "\t\n",
- "\tcustomer[i].newbalance=customer[i].oldbalance-customer[i].payment\n",
- "\t\n",
- "\twritefile(customer[i],fpt)\n",
- "\n",
- "fpt.close()\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [],
- "prompt_number": 2
- },
- {
- "cell_type": "markdown",
- "metadata": {},
- "source": [
- "<h3>Example 13.13, Page 13.28<h3>"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "\n",
- "fp=open('binval.txt','wb')\n",
- "\n",
- "for i in range(1000,11001):\n",
- "\tfp.write(str(i))\n",
- "\n",
- "fp.close()\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [],
- "prompt_number": 3
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [],
- "language": "python",
- "metadata": {},
- "outputs": []
- }
- ],
- "metadata": {}
- }
- ]
-}
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