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|
{
"metadata": {
"name": "",
"signature": "sha256:9fe9374bd25aac8dfc98eab84988bb008dcfb464faf94260bebab61ae764fb98"
},
"nbformat": 3,
"nbformat_minor": 0,
"worksheets": [
{
"cells": [
{
"cell_type": "heading",
"level": 1,
"metadata": {},
"source": [
"Chapter 16: Structures, Unions and Enumerations"
]
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example inventory.c, Page 391"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"NAME_LEN=25\n",
"MAX_PARTS=100\n",
"num_parts=0\n",
"number1=[0]*100\n",
"on_hand1=[0]*100\n",
"name1=[0]*100\n",
"def find_part(number):\n",
" i=0\n",
" for i in range (i,num_parts):\n",
" if(number1[i]==number):\n",
" return i\n",
" return -1\n",
"def insert():\n",
" num_parts=0\n",
" if(num_parts==MAX_PARTS):\n",
" print \"Database is full, cant add more parts\"\n",
" return\n",
" part_number=int(raw_input(\"Enter part number: \"))\n",
" if(find_part(part_number)>=0):\n",
" print \"Part already exists\"\n",
" return\n",
" number1[num_parts]=part_number\n",
" name1[num_parts]=raw_input(\"Enter part name: \")\n",
" on_hand1[num_parts]=raw_input(\"Enter quality on hand: \")\n",
" num_parts=num_parts+1\n",
" \n",
"def search():\n",
" number=int(raw_input(\"Enter part number: \"))\n",
" i=find_part(number)\n",
" if(i>=0):\n",
" print \"Part name: %s\" %name1[i]\n",
" print \"Quantity on hand: %d\"%on_hand1[i]\n",
" else:\n",
" print \"Part not found\"\n",
" \n",
"def update():\n",
" number=int(raw_input(\"Enter part number: \"))\n",
" i=find_part(number)\n",
" if(i>=0):\n",
" change=int(raw_input(\"Enter change in quantity on hand: \")) \n",
" on_hand1[i]=on_hand1[i]+change\n",
" else:\n",
" print \"Part not found\"\n",
"\n",
"while(1):\n",
" code=raw_input(\"Enter operation code: \")\n",
" if code=='i':\n",
" insert()\n",
" break\n",
" elif code=='s':\n",
" search()\n",
" break\n",
" elif code=='u':\n",
" update()\n",
" break\n",
" elif(code=='p'):\n",
" print()\n",
" break\n",
"\n",
"print \"\""
],
"language": "python",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"Enter operation code: i\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"Enter part number: 528\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"Enter part name: Disk Drive\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"Enter quality on hand: 10\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
"\n"
]
}
],
"prompt_number": 9
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example readline.c, Page 395"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"def read_line(str,n):\n",
" ch=0\n",
" i=0\n",
" EOF='\\n'\n",
" ch=raw_input()\n",
" while(isspace(ch)):\n",
" donothing=0\n",
" while(ch!='\\n' and ch!=EOF):\n",
" if(i<n):\n",
" str[i+1]=ch\n",
" ch=raw_input()\n",
" str[i]='\\0'\n",
" return i"
],
"language": "python",
"metadata": {},
"outputs": [],
"prompt_number": 3
},
{
"cell_type": "code",
"collapsed": false,
"input": [],
"language": "python",
"metadata": {},
"outputs": []
}
],
"metadata": {}
}
]
}
|
