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-{
- "metadata": {
- "name": "",
- "signature": "sha256:cc39907a700b2b635fe495cd65c97f54d7249e166a21cea325643318306862ee"
- },
- "nbformat": 3,
- "nbformat_minor": 0,
- "worksheets": [
- {
- "cells": [
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "\n",
- "def swap(x,y):\n",
- " x[0],y[0] = y[0],x[0]\n",
- "\n",
- "m = [22]\n",
- "n = [66]\n",
- "swap(m, n)\n",
- "s1 = [\"John Adams\"]\n",
- "s2 = [\"James Madison\"]\n",
- "swap(s1, s2)\n",
- "x = [22/7]\n",
- "y = [-3]\n",
- "swap(x, y)\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [],
- "prompt_number": 1
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "\n",
- "def sort(v,n):\n",
- " for i in range(1,n):\n",
- " for j in range(n-i):\n",
- " if v[j] > v[j+1]:\n",
- " v[j],v[j+1] = v[j+1],v[j]\n",
- "\n",
- "def print_( v,n):\n",
- " for i in range(n):\n",
- " print v[i],\n",
- " print \"\"\n",
- " \n",
- "a = [55, 33, 88, 11, 44, 99, 77, 22, 66]\n",
- "print_(a,9);\n",
- "sort(a,9)\n",
- "print_(a,9)\n",
- "s = [\"Tom\", \"Hal\", \"Dan\", \"Bob\", \"Sue\", \"Ann\", \"Gus\"]\n",
- "print_(s,7)\n",
- "sort(s,7)\n",
- "print_(s,7)\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "55 33 88 11 44 99 77 22 66 \n",
- "11 22 33 44 55 66 77 88 99 \n",
- "Tom Hal Dan Bob Sue Ann Gus \n",
- "Ann Bob Dan Gus Hal Sue Tom \n"
- ]
- }
- ],
- "prompt_number": 2
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "\n",
- "class Stack:\n",
- " def __init__(self,s=100):\n",
- " self.size = s\n",
- " self.top = -1\n",
- " self.data = []\n",
- " def push(self,x):\n",
- " self.data.append( x)\n",
- " self.top += 1\n",
- " def pop(self):\n",
- " d = self.data[self.top]\n",
- " self.data.pop(self.top)\n",
- " self.top -= 1\n",
- " return d \n",
- " def isEmpty(self):\n",
- " return self.top == -1\n",
- " def isFull(self):\n",
- " return self.top==self.size-1\n",
- " \n",
- "intStack1 = Stack(5)\n",
- "intStack2 = Stack(10)\n",
- "charStack = Stack(8)\n",
- "intStack1.push(77)\n",
- "charStack.push('A')\n",
- "intStack2.push(22)\n",
- "charStack.push('E')\n",
- "charStack.push('K')\n",
- "intStack2.push(44)\n",
- "print intStack2.pop() \n",
- "print intStack2.pop() \n",
- "if (intStack2.isEmpty()):\n",
- " print \"intStack2 is empty.\"\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "44\n",
- "22\n",
- "intStack2 is empty.\n"
- ]
- }
- ],
- "prompt_number": 3
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "\n",
- "class Vector:\n",
- " def __init__(self,n=None):\n",
- " if type(n) == int :\n",
- " self.size = n\n",
- " self.data = []\n",
- " else:\n",
- " self.size = 8\n",
- " self.data = []\n",
- " for i in range(self.size):\n",
- " self.data.append(0)\n",
- "v = Vector()\n",
- "v.data[5] = 127\n",
- "w = v\n",
- "x = Vector(3)\n",
- "print w.size\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "8\n"
- ]
- }
- ],
- "prompt_number": 4
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "\n",
- "class Vector:\n",
- " def __init__(self,n=None):\n",
- " if type(n) == int :\n",
- " self.size = n\n",
- " self.data = []\n",
- " else:\n",
- " self.size = 8\n",
- " self.data = []\n",
- " for i in range(self.size):\n",
- " self.data.append(0)\n",
- "\n",
- "class Array(Vector):\n",
- " def __init__(self,i,j):\n",
- " Vector.__init__(self,j-i+1)\n",
- " self.i0= i\n",
- " def __setitem__(self,k,v):\n",
- " self.data[k-self.i0] = v\n",
- " def __getitem__(self,i):\n",
- " return self.data[self.i0-i]\n",
- " def firstSubscript(self):\n",
- " return self.i0\n",
- " def lastSubscript(self):\n",
- " return self.i0+self.size-1\n",
- "\n",
- "x = Array(1,3)\n",
- "x.data[0] = 3.14159\n",
- "x.data[1] = 0.08516\n",
- "x.data[2] = 5041.92\n",
- "print \"x.size() = \" , x.size \n",
- "print \"x.firstSubscript() = \" , x.firstSubscript() \n",
- "print \"x.lastSubscript() = \" , x.lastSubscript()\n",
- "for i in range(0,3):\n",
- " print \"x[\" , i + 1 , \"] = \" , x.data[i]\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "x.size() = 3\n",
- "x.firstSubscript() = 1\n",
- "x.lastSubscript() = 3\n",
- "x[ 1 ] = 3.14159\n",
- "x[ 2 ] = 0.08516\n",
- "x[ 3 ] = 5041.92\n"
- ]
- }
- ],
- "prompt_number": 5
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "\n",
- "\n",
- "class Matrix:\n",
- " def __init__(self,r=1,c=1):\n",
- " self.rows = r\n",
- " self.columns = c\n",
- " self.vector = []\n",
- " for i in range(r):\n",
- " a = []\n",
- " for j in range(c):\n",
- " a.append(0)\n",
- " self.vector.append(a)\n",
- "\n",
- "a = Matrix(2,3)\n",
- "a.vector[0][0] = 0.0\n",
- "a.vector[0][1] = 0.1\n",
- "a.vector[0][2] = 0.2\n",
- "a.vector[1][0] = 1.0\n",
- "a.vector[1][1] = 1.1\n",
- "a.vector[1][2] = 1.2\n",
- "\n",
- "print \"The matrix a has \" , a.rows , \" rows and \", a.columns , \" columns:\"\n",
- "for i in range(2):\n",
- " for j in range(3):\n",
- " print a.vector[i][j] ,\n",
- " print \"\"\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "The matrix a has 2 rows and 3 columns:\n",
- "0.0 0.1 0.2 \n",
- "1.0 1.1 1.2 \n"
- ]
- }
- ],
- "prompt_number": 6
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "\n",
- "friends = []\n",
- "\n",
- "\n",
- "friends.insert(0,\"Bowen, Van\")\n",
- "friends.insert(0,\"Dixon, Tom\")\n",
- "friends.insert(0,\"Mason, Joe\")\n",
- "friends.insert(0,\"White, Ann\")\n",
- "\n",
- "for i in range(len(friends)):\n",
- " print friends[i], '->' ,\n",
- "print '*'\n",
- "friends.remove('White, Ann')\n",
- "print \"Removed: \" , 'White, Ann'\n",
- "for i in range(len(friends)):\n",
- " print friends[i], '->' ,\n",
- "print '*'\n",
- "\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "White, Ann -> Mason, Joe -> Dixon, Tom -> Bowen, Van -> *\n",
- "Removed: White, Ann\n",
- "Mason, Joe -> Dixon, Tom -> Bowen, Van -> *\n"
- ]
- }
- ],
- "prompt_number": 7
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "\n",
- "friends = []\n",
- "friends.append(\"Bowen, Van\")\n",
- "friends.append(\"Dixon, Tom\")\n",
- "friends.append(\"Mason, Joe\")\n",
- "friends.append(\"White, Ann\")\n",
- "for i in range(len(friends)):\n",
- " print friends[i], '->' ,\n",
- "print '*'\n",
- "\n",
- "friends.remove(\"Mason, Joe\")\n",
- "friends[1] = \"Davis, Jim\"\n",
- "for i in range(len(friends)):\n",
- " print friends[i], '->' ,\n",
- "print '*'\n",
- "\n",
- "friends.insert(2,\"Morse, Sam\")\n",
- "for i in range(len(friends)):\n",
- " print friends[i], '->' ,\n",
- "print '*'\n",
- "\n",
- "for i in range(len(friends)):\n",
- " print \"[\" ,friends[i] , \"]\" , '->' ,\n",
- "print '*'\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Bowen, Van -> Dixon, Tom -> Mason, Joe -> White, Ann -> *\n",
- "Bowen, Van -> Davis, Jim -> White, Ann -> *\n",
- "Bowen, Van -> Davis, Jim -> Morse, Sam -> White, Ann -> *\n",
- "[ Bowen, Van ] -> [ Davis, Jim ] -> [ Morse, Sam ] -> [ White, Ann ] -> *\n"
- ]
- }
- ],
- "prompt_number": 8
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [],
- "language": "python",
- "metadata": {},
- "outputs": []
- }
- ],
- "metadata": {}
- }
- ]
-} \ No newline at end of file
generated by cgit (git 2.34.1) at 2025-06-07 20:40:09 +0000