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| author | kinitrupti | 2017-05-12 18:40:35 +0530 |
|---|---|---|
| committer | kinitrupti | 2017-05-12 18:40:35 +0530 |
| commit | d36fc3b8f88cc3108ffff6151e376b619b9abb01 (patch) | |
| tree | 9806b0d68a708d2cfc4efc8ae3751423c56b7721 /sample_notebooks/Abu BakkerSiddik/Functions_.ipynb | |
| parent | 1b1bb67e9ea912be5c8591523c8b328766e3680f (diff) | |
| download | Python-Textbook-Companions-d36fc3b8f88cc3108ffff6151e376b619b9abb01.tar.gz Python-Textbook-Companions-d36fc3b8f88cc3108ffff6151e376b619b9abb01.tar.bz2 Python-Textbook-Companions-d36fc3b8f88cc3108ffff6151e376b619b9abb01.zip | |
Revised list of TBCs
Diffstat (limited to 'sample_notebooks/Abu BakkerSiddik/Functions_.ipynb')
| -rwxr-xr-x | sample_notebooks/Abu BakkerSiddik/Functions_.ipynb | 1441 |
1 files changed, 0 insertions, 1441 deletions
diff --git a/sample_notebooks/Abu BakkerSiddik/Functions_.ipynb b/sample_notebooks/Abu BakkerSiddik/Functions_.ipynb deleted file mode 100755 index 4a23de26..00000000 --- a/sample_notebooks/Abu BakkerSiddik/Functions_.ipynb +++ /dev/null @@ -1,1441 +0,0 @@ -{
- "metadata": {
- "name": "",
- "signature": "sha256:63dae7729725476213c038c75f708a0afd5386cd85264fbfba4fc7a16437b94f"
- },
- "nbformat": 3,
- "nbformat_minor": 0,
- "worksheets": [
- {
- "cells": [
- {
- "cell_type": "heading",
- "level": 1,
- "metadata": {},
- "source": [
- "Chapter 6: Functions"
- ]
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 1 page 217"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "def power(x,n): #Function header\n",
- " # Function body starts here....\n",
- " result=1.0 #declaration of variable result \n",
- " for i in range(1,n+1,1):\n",
- " result*=x #computing X to power n\n",
- " return result #returning result\n",
- "#Function body ends here....\n",
- "\n",
- "print \"result=%f\" % (power(2,2)) #function call\n",
- "print \"result=%f\" % (power(3,3)) #function call"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "result=4.000000\n",
- "result=27.000000\n"
- ]
- }
- ],
- "prompt_number": 23
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 2 page 218"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "def FtoC(faren): #Function header\n",
- " # Function body starts here....\n",
- " factor =5.0/9.0\n",
- " freezing=32.0 \n",
- " celcius=factor*(faren-freezing) #computing temp in celcius\n",
- " return celcius #returning result\n",
- "#Function body ends here....\n",
- "\n",
- "print \"result=%f\" % (FtoC(32.0)) #function call"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "result=0.000000\n"
- ]
- }
- ],
- "prompt_number": 2
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 3 page 218"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "#prototype not present in Python def sum_(a,b);\n",
- "def main():\n",
- " a=5\n",
- " b=10\n",
- " print \"sum=%d\" % (sum_(a,b))\n",
- " return\n",
- "#Main ends here....\n",
- "\n",
- "def sum_(x,y):\n",
- "# Function body starts here....\n",
- " return x+y #returning result\n",
- "#Function body ends here....\n",
- "main() #Calling main function"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "sum=15\n"
- ]
- }
- ],
- "prompt_number": 12
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 4 page 219"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "def leap_yr(yr): #Function Defination\n",
- "# Function body starts here....\n",
- " if((yr%4==0) and (yr%100!=0) or yr%400==0):\n",
- " return 1 #returning result\n",
- " else:\n",
- " return 0 #returning result\n",
- "#Function body ends here.... \n",
- "print leap_yr(2016) #Calling function"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "1\n"
- ]
- }
- ],
- "prompt_number": 2
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 5 page 220"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "def main(): #main starts here\n",
- " print \"Temperature in Fahrenheit scale: \"\n",
- " tempInF=eval(raw_input())\n",
- " tempInC=FtoC(tempInF) #function FtoC() called from In[2]\n",
- " print \"%f Fahrenheit equals %f Celcius \\n \" % (tempInF,tempInC)\n",
- " return\n",
- " #main ends here\n",
- "main()"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Temperature in Fahrenheit scale: \n"
- ]
- },
- {
- "name": "stdout",
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "32\n"
- ]
- },
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "32.000000 Fahrenheit equals 0.000000 Celcius \n",
- " \n"
- ]
- }
- ],
- "prompt_number": 18
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 6 page 221"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "#main starts here\n",
- "def main(): \n",
- " num=3\n",
- " print \"\\n num = %d before function call.\" % (num) #taking input from user\n",
- " result=mul_by_10(num) #function call\n",
- " print \"\\n result = %d, after return from function.\" % (result) #Displaying result\n",
- " print \"\\n num = %d\" % (num)\n",
- " return\n",
- "#main ends here\n",
- "def mul_by_10(num): #Function header\n",
- " num*=10; #Function body starts here\n",
- " return num #returning result\n",
- " #Function body ends here\n",
- "main() #calling main function"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "\n",
- " num = 3 before function call.\n",
- "\n",
- " result = 30, after return from function.\n",
- "\n",
- " num = 3\n"
- ]
- }
- ],
- "prompt_number": 22
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 7 page 222"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "def main(): #main starts here\n",
- " print \"Enter two numbers: \"\n",
- " nOne=eval(raw_input()) #taking input from user\n",
- " nTwo=eval(raw_input()) #taking input from user\n",
- " n=GCD(nOne,nTwo)\n",
- " print \"\\nGCD of %d and %d is %d \\n\" %(nOne,nTwo,n) #main ends here\n",
- " return\n",
- "def GCD(x,y): #function starts here\n",
- " result=1\n",
- " k=2\n",
- " while((k<=x) and (k<=y)): #checking if x and y are greater than k\n",
- " if((x%k==0) and (y%k==0)):\n",
- " result=k\n",
- " k+=1\n",
- " return result #function ends here\n",
- "main() #function call"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Enter two numbers: \n"
- ]
- },
- {
- "name": "stdout",
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "4\n"
- ]
- },
- {
- "name": "stdout",
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "8\n"
- ]
- },
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "\n",
- "GCD of 4 and 8 is 4 \n",
- "\n"
- ]
- }
- ],
- "prompt_number": 6
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 8 page 222"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "def main(): #main starts here\n",
- " print \"\\nEnter the Number: \"\n",
- " n=eval(raw_input()) #taking input from user\n",
- " print \"\\nPrime factors on %d is...\\n \" % (n) \n",
- " for d in range(2,(n/2)+1,1):\n",
- " if((n%d==0) and isPrime(d)): #calculating prime factors, isPrime() function\n",
- " print \"%d\" % (d)\n",
- " return #main ends here \n",
- "def isPrime(x): #isPrime() function starts here\n",
- " for d in range(2,(x/2)+1,1):\n",
- " if(x%d==0):\n",
- " return 0\n",
- " return 1 #isPrime() function ends here\n",
- "main() #calling main"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "\n",
- "Enter the Number: \n"
- ]
- },
- {
- "name": "stdout",
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "2\n"
- ]
- },
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "\n",
- "Prime factors on 2 is...\n",
- " \n"
- ]
- }
- ],
- "prompt_number": 12
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 9 page 223"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "def main(): #main starts here\n",
- " arr=[1,2,3] #Array declaration and initialisation\n",
- " change(arr) #calling function\n",
- " print \"Elements are %d, %d and %d\" % (arr[0],arr[1],arr[2])\n",
- " return #main starts here\n",
- "def change(my_array):\n",
- " my_array[0]=10 #Changing values\n",
- " my_array[1]=20\n",
- " return\n",
- "main()"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Elements are 10, 20 and 3\n"
- ]
- }
- ],
- "prompt_number": 3
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 10 page 223 and 224"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "#main starts here\n",
- "def main():\n",
- " arr=[3,2,7,0,6,4,9,8,1,5] #array declaration and initializtion\n",
- " print \"The array before sort is: \\n\" \n",
- " for i in range(0,10,1): #displaying array values before changing\n",
- " print arr[i],\n",
- " sort(arr,10)\n",
- " print \"\\nThe array after sort is: \\n\"\n",
- " for i in range(0,10,1): #displaying array values after changing\n",
- " print arr[i],\n",
- " return\n",
- "#main ends here\n",
- "#functions starts here\n",
- "def sort(a,n):\n",
- " for i in range(0,n-1,1): #sorting array values\n",
- " for j in range(0,n-i-1,1):\n",
- " if(a[j]>a[j+1]):\n",
- " temp=a[j]\n",
- " a[j]=a[j+1]\n",
- " a[j+1]=temp\n",
- " return\n",
- "#functions ends here\n",
- "main()"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "The array before sort is: \n",
- "\n",
- "3 2 7 0 6 4 9 8 1 5 \n",
- "The array after sort is: \n",
- "\n",
- "0 1 2 3 4 5 6 7 8 9\n"
- ]
- }
- ],
- "prompt_number": 7
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 11 page 224"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "#main starts here\n",
- "def main():\n",
- " myInts=[1,2,3,4,5,6,7,8,9,10] #Array initialisation and declaration\n",
- " size=10\n",
- " print \"\\n\\nThe given numbers are:\"\n",
- " for i in range(0,size,1): #displaying array values before changing\n",
- " print myInts[i],\n",
- " doubleThem(myInts,size) #calling function\n",
- " print \"\\nThe double numbers are: \"\n",
- " for i in range(0,size,1): #displaying array values after changing\n",
- " print myInts[i],\n",
- " return\n",
- "#main ends here\n",
- "#*********function defination***********#\n",
- "def doubleThem(a,size):\n",
- " for i in range(0,size,1): #multplying array values by 2\n",
- " a[i]=2*a[i]\n",
- " return\n",
- "main()"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "\n",
- "\n",
- "The given numbers are:\n",
- "1 2 3 4 5 6 7 8 9 10 \n",
- "The double numbers are: \n",
- "2 4 6 8 10 12 14 16 18 20\n"
- ]
- }
- ],
- "prompt_number": 11
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 12 page 224 and 225"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "#main starts here\n",
- "def main():\n",
- " b=list() #array declaration\n",
- " n=input(\"How many students?\")\n",
- " print \"Enter the age of students\\n\"\n",
- " for i in range(0,n,1): #taking input from user\n",
- " val=input()\n",
- " b.append(val)\n",
- " average=avg_age(b,n) #calling function\n",
- " print \"\\nThe avg age of students is = %f\" % average\n",
- " return\n",
- "#main ends here\n",
- "def avg_age(a,n):\n",
- " sum=0.0\n",
- " for j in range(0,n,1): #calculating avg age\n",
- " sum=sum+a[j]\n",
- " return sum/n\n",
- "main()"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "name": "stdout",
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "How many students?5\n"
- ]
- },
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Enter the age of students\n",
- "\n"
- ]
- },
- {
- "name": "stdout",
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "10\n"
- ]
- },
- {
- "name": "stdout",
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "10\n"
- ]
- },
- {
- "name": "stdout",
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "10\n"
- ]
- },
- {
- "name": "stdout",
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "10\n"
- ]
- },
- {
- "name": "stdout",
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "10\n"
- ]
- },
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "\n",
- "The avg age of students is = 10.000000\n"
- ]
- }
- ],
- "prompt_number": 16
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 13 page 225"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "#main starts here\n",
- "def main():\n",
- " values=list() #array declaration\n",
- " print \"Enter 5 numbers\"\n",
- " for i in range(0,5,1): #taking input from user\n",
- " val=input()\n",
- " values.append(val)\n",
- " max1=maximum(values,5) #calling function\n",
- " print \"Maximum value is %d\\n\" % max1\n",
- " return\n",
- "#main ends here\n",
- "#function begins here\n",
- "def maximum(values,n):\n",
- " max_value=values[0]\n",
- " for i in range(0,n,1): #finding maximum value\n",
- " if(values[i]>max_value):\n",
- " max_value=values[i]\n",
- " return max_value\n",
- "#function ends here\n",
- "main()"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Enter 5 numbers\n"
- ]
- },
- {
- "name": "stdout",
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "125\n"
- ]
- },
- {
- "name": "stdout",
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "365\n"
- ]
- },
- {
- "name": "stdout",
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "552\n"
- ]
- },
- {
- "name": "stdout",
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "001\n"
- ]
- },
- {
- "name": "stdout",
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "-568\n"
- ]
- },
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Maximum value is 552\n",
- "\n"
- ]
- }
- ],
- "prompt_number": 20
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 14 page 225 and 226"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "def main():\n",
- " a=list() #source string\n",
- " b=list() #destination string\n",
- " print \"Input source string: \"\n",
- " a=raw_input() #read input string\n",
- " b=string_copy(b,a) #function call\n",
- " print \"\\nDestination string: %s\\n\" % b\n",
- " return\n",
- "#function call\n",
- "def string_copy(d,s):\n",
- " print \"\\nSource string: %s\" % s \n",
- " #copying the string\n",
- " d=s\n",
- " return d\n",
- "main()"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Input source string: \n"
- ]
- },
- {
- "name": "stdout",
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "i love python\n"
- ]
- },
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "\n",
- "Source string: i love python\n",
- "\n",
- "Destination string: i love python\n",
- "\n"
- ]
- }
- ],
- "prompt_number": 6
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 15 page 226"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "\n",
- "ROW=2 #define row 3\n",
- "COLUMN=3 #define col 3\n",
- "def main(): \n",
- " global ROW,COLUMN\n",
- " a=[[0 for row in range(0,COLUMN)] for col in range(0,ROW)]\n",
- " b=[[0 for row in range(0,COLUMN)] for col in range(0,ROW)]\n",
- " print \"\\nEnter elements of the first matrix.\\n\"\n",
- " #Read first matrix elements\n",
- " for i in range(ROW):\n",
- " for j in range(COLUMN):\n",
- " a[i][j]=input()\n",
- " print \"\\nEnter elements of the second matrix.\\n\"\n",
- " #Read second matrix elements\n",
- " for i in range(ROW):\n",
- " for j in range(COLUMN):\n",
- " b[i][j]=input()\n",
- " mat_arith(a,b) #function call\n",
- "def mat_arith(a,b):\n",
- " global ROW,COLUMN\n",
- " c=[[0 for row in range(0,COLUMN)] for col in range(0,ROW)]\n",
- " print \"\\nFor addition enter: 1\\n\"\n",
- " print \"\\nFor subtraction enter: 2\\n\"\n",
- " print \"\\nEnter your choice\\n\"\n",
- " choice=eval(raw_input())\n",
- " for i in range(ROW):\n",
- " for j in range(COLUMN):\n",
- " if choice == 1: #checking for addation and subtraction and performing it\n",
- " c[i][j]=a[i][j]+b[i][j]\n",
- " elif choice == 2:\n",
- " c[i][j]=a[i][j]-b[i][j]\n",
- " else:\n",
- " print \"Invalid choice. Task not done.\"\n",
- " return\n",
- " print \"\\nThe resulting matrix is:\\n\"\n",
- " for i in range(ROW):\n",
- " for j in range(COLUMN):\n",
- " print c[i][j],\n",
- " print(\"\\n\")\n",
- "main()"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "\n",
- "Enter elements of the first matrix.\n",
- "\n"
- ]
- },
- {
- "name": "stdout",
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "2\n"
- ]
- },
- {
- "name": "stdout",
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "4\n"
- ]
- },
- {
- "name": "stdout",
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "6\n"
- ]
- },
- {
- "name": "stdout",
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "7\n"
- ]
- },
- {
- "name": "stdout",
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "8\n"
- ]
- },
- {
- "name": "stdout",
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "10\n"
- ]
- },
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "\n",
- "Enter elements of the second matrix.\n",
- "\n"
- ]
- },
- {
- "name": "stdout",
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "1\n"
- ]
- },
- {
- "name": "stdout",
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "3\n"
- ]
- },
- {
- "name": "stdout",
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "5\n"
- ]
- },
- {
- "name": "stdout",
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "7\n"
- ]
- },
- {
- "name": "stdout",
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "9\n"
- ]
- },
- {
- "name": "stdout",
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "11\n"
- ]
- },
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "\n",
- "For addition enter: 1\n",
- "\n",
- "\n",
- "For subtraction enter: 2\n",
- "\n",
- "\n",
- "Enter your choice\n",
- "\n"
- ]
- },
- {
- "name": "stdout",
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "1\n"
- ]
- },
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "\n",
- "The resulting matrix is:\n",
- "\n",
- "3 7 11 \n",
- "\n",
- "14 17 21 \n",
- "\n"
- ]
- }
- ],
- "prompt_number": 3
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 16 page 227 and 228"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "#main strats here\n",
- "def main():\n",
- " a=5\n",
- " b=7\n",
- " print \"In main: a= %d, b= %d\\n\" % (a,b)\n",
- " exchange(a,b) #calling function\n",
- " print\"\\nBack in main:\"\n",
- " print\"a= %d, b= %d\" % (a,b)\n",
- " return\n",
- "#main ends here\n",
- "#function starts here\n",
- "def exchange(a,b):\n",
- " print\"In function exchange() before change: just received from main... a=%d and b=%d \" % (a,b)\n",
- " #exchanging values\n",
- " temp=a\n",
- " a=b\n",
- " b=temp\n",
- " print\"In function exchange() after change:\"\n",
- " print\"a=%d and b=%d \" % (a,b)\n",
- " return\n",
- "main()"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "In main: a= 5, b= 7\n",
- "\n",
- "In function exchange() before change: just received from main... a=5 and b=7 \n",
- "In function exchange() after change:\n",
- "a=7 and b=5 \n",
- "\n",
- "Back in main:\n",
- "a= 5, b= 7\n"
- ]
- }
- ],
- "prompt_number": 2
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 17 page 228"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "a=5 #declaration of global variables\n",
- "b=7\n",
- "#main starts here\n",
- "def main():\n",
- " global a\n",
- " global b\n",
- " print \"In main: a= %d, b= %d\\n\" % (a,b)\n",
- " exchange() #calling function\n",
- " print\"\\nBack in main:\",\n",
- " print\"a= %d, b= %d\" % (a,b)\n",
- "#main ends here\n",
- "#function starts here\n",
- "def exchange():\n",
- " global a\n",
- " global b\n",
- " print\"In function exchange() before change: just received from main... a=%d and b=%d \" % (a,b)\n",
- " temp=a\n",
- " a=b\n",
- " b=temp\n",
- " print\"In function exchange() after change:\",\n",
- " print\"a=%d and b=%d \" % (a,b)\n",
- " return\n",
- "#function ends here\n",
- "main()"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "In main: a= 5, b= 7\n",
- "\n",
- "In function exchange() before change: just received from main... a=5 and b=7 \n",
- "In function exchange() after change: a=7 and b=5 \n",
- "\n",
- "Back in main: a= 7, b= 5\n"
- ]
- }
- ],
- "prompt_number": 9
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 18 page 229"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "def fn1():\n",
- " #variable declaration in inner block\n",
- " x=45\n",
- " print\"\\nin inner block x= %d\" % x\n",
- "#variable declaration in outer block\n",
- "x=3\n",
- "print \"\\nin outer block x = %d before executing inner block\" % x\n",
- "fn1()\n",
- "print \"\\nin outer block x = %d after executing inner block\" % x"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "\n",
- "in outer block x = 3 before executing inner block\n",
- "\n",
- "in inner block x= 45\n",
- "\n",
- "in outer block x = 3 after executing inner block\n"
- ]
- }
- ],
- "prompt_number": 7
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 19 page 231"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "#function starts here\n",
- "def fn1():\n",
- " a=10\n",
- " i=4199232\n",
- " print \"a=%d\" % a\n",
- " print \"i=%d\" % i\n",
- "#function ends here\n",
- "a=5\n",
- "print \"a=%d\" % a\n",
- "fn1() #function call\n",
- "print \"a=%d\" % a"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "a=5\n",
- "a=10\n",
- "i=4199232\n",
- "a=5\n"
- ]
- }
- ],
- "prompt_number": 4
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 20 page 232"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "i = 0\n",
- "#function starts here\n",
- "def show():\n",
- " global i\n",
- " print 'i =',i\n",
- " i+=1\n",
- "#function ends here\n",
- "print\"\\nFirst call of show()\"\n",
- "show() #function call\n",
- "print\"\\nSecond call of show()\"\n",
- "show() #function call\n",
- "print\"\\nThird call of show()\"\n",
- "show() #function call"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "\n",
- "First call of show()\n",
- "i = 0\n",
- "\n",
- "Second call of show()\n",
- "i = 1\n",
- "\n",
- "Third call of show()\n",
- "i = 2\n"
- ]
- }
- ],
- "prompt_number": 18
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 21 page 231"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "i = None\n",
- "#function starts here\n",
- "def show():\n",
- " print 'Value of i in pgm2.c =',i\n",
- "#function ends here\n",
- "i = 10\n",
- "#function call\n",
- "show()\n",
- "print 'Value of i in pgm1.c =',i"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Value of i in pgm2.c = 10\n",
- "Value of i in pgm1.c = 10\n"
- ]
- }
- ],
- "prompt_number": 4
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 22 page 233"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "i = None\n",
- "#function starts here\n",
- "def show():\n",
- " global i\n",
- " i = 20\n",
- " print \"value of i in pgm2.c = \", i\n",
- "#function ends here\n",
- "show() #function call\n",
- "print\"Value of i in pgm1.c =\",i"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "value of i in pgm2.c = 20\n",
- "Value of i in pgm1.c = 20\n"
- ]
- }
- ],
- "prompt_number": 15
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 23 page 236"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "import sys, traceback\n",
- "#main starts here\n",
- "def main():\n",
- " print \"\\nEnter the number of terms: \"\n",
- " i=eval(raw_input()) #taking input\n",
- " if (i<0): \n",
- " print\"\\nError - Number of terms cannot be negative\\n\"\n",
- " sys.exit(0)\n",
- " print\"Fibonacci sequence for %d terms is: \" % i\n",
- " for j in range(1,i+1,1):\n",
- " print\"%d\" % fib(j) #function call\n",
- "#function ends here\n",
- "#function starts here\n",
- "def fib(val):\n",
- " if(val<=2):\n",
- " return 1\n",
- " else:\n",
- " return(fib(val-1)+fib(val-2))\n",
- "#function ends here\n",
- "main()"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "\n",
- "Enter the number of terms: \n"
- ]
- },
- {
- "name": "stdout",
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "5\n"
- ]
- },
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Fibonacci sequence for 5 terms is: \n",
- "1\n",
- "1\n",
- "2\n",
- "3\n",
- "5\n"
- ]
- }
- ],
- "prompt_number": 6
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 24 page 237"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "#main starts here\n",
- "def main():\n",
- " print\"Enter the numbers: \"\n",
- " i=eval(raw_input())\n",
- " j=eval(raw_input())\n",
- " print\"The GCD of %d and %d is %d\" % (i,j,gcd(i,j)) #calling gcd function\n",
- " return\n",
- "#function ends here\n",
- "#function starts here\n",
- "def gcd(a,b):\n",
- " remainder=a%b\n",
- " if(remainder==0):\n",
- " return b\n",
- " else:\n",
- " return gcd(b,remainder) #recursive call to itself, gcd function\n",
- "#function ends here\n",
- "main()"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Enter the numbers: \n"
- ]
- },
- {
- "name": "stdout",
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "4\n"
- ]
- },
- {
- "name": "stdout",
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "8\n"
- ]
- },
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "The GCD of 4 and 8 is 4\n"
- ]
- }
- ],
- "prompt_number": 2
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [],
- "language": "python",
- "metadata": {},
- "outputs": []
- }
- ],
- "metadata": {}
- }
- ]
-}
\ No newline at end of file |