INDEX

MC4112 - Python Programming Laboratory

EXP. DATE EXPERIMENT PAG SIGN

NO E
NO.

1. PYTHON PROGRAMMING USING SIMPLE STATEMENT AND

EXPRESSIONS(EXCHANGE THE VALUES OF TWO VARIABLES,CIRCULATE THE
VALUES OF N VARIABLES, DISTANCE BETWEEN TWO POINT).

1.1 Exchange the values of two variables with

temporary variable

1.2 Exchange the values of two variables without

temporary variable

1.3 Distance between two points

1.4 Circulate the values of n variables

2. SCIENTIFIC PROBLEM USING CONDITIONAL AND ITERATIVE LOOPS.

2.1 To find a given number odd or even

2.2 To find biggest amoung three number

2.3 To get five subject mark and display the grade

2.4 To find given number is armstrong number or not

using while loop

2.5 To print the factorial a number using for loop

2.6 To construct the following pattern using Nested loop

3. LINEAR SEARCH AND BINARY SEARCH

3.1 Linear Search

3.2 Binary Search

4. SELECTION SORT AND INSERTION SORT

4.1 Selection sort

4.2 Insertion sort

5. MERGE SORT AND QUICK SORT

5.1 Merge sort

5.2 Quick sort

6. IMPLEMENTING APPLICATIONS USING LISTS, TUPLE

6.1 To Display append,reverse,pop in a list

6.2 Program for Slicing a list

6.3 To find Minimum and Maximum number in tuple

6.4 To interchange two values using tuple assigment

7. IMPLEMENT APPLICATION USING SETS, DICTIONARIES

7.1 To display sum of element,add element and remove

element in the set

7.2 To display Intersection of element and difference of

element in set

7.3 To sum of all items in a dictionary

7.4 To updating a element in dictionary

8. IMPLEMENTING PROGRAM USING FUNCTION

8.1 To calculate the area of a triangle using with

argument and with return type

8.2 To greatest common divisor using with argument

and without return type

8.3 To factorial of given number using Regreression

function

9. IMPLEMENTING PROGRAM USING STRING

9.1 To count the number of vowels and consonants in
the string

9.2 To check given string is palindrome or not

9.3 To read N names and sort name in alphabetic order

using string

10. IMPLEMENTING PROGRAM USING WRITEN MODULE AND PYTHON

STANDARD LIBRARIES(PANDAS,NUMPY,MATHPLOTLIB,SCIPY)

10.1 To operation Numpy With Array

10.2 Dataframe from three series using pandas

10.3 Program to line Chart-matplotlib

10.4 Program to Using Scipy

11. IMPLEMENTING REAL-TIME/TECHNICAL APPLICATIONS USINGFILE

HANDLING.

11.1 Program to count total number of uppercase and

lowercase charater in a file

11.2 Program to merging two file

12. IMPLEMENTING REAL-TIME/TECHNICAL APPLICATIONS USINGEXCEPTION

HANDLING

12.1 Python program of zero division Error

12.2 Program to Exception for eligible for vote

12.3 Program to multiple Exception handling

13. CREATING AND INSTANTIATING CLASSES

13.1 write a python program to display the

student details using class

EX:1.1
 Exchange the values of two variables with temporary
variable

PROGRAM:

print("Exchange the values of two variables with temporary ")

x=int(input("Enter a value of x:"))

y=int(input("Enter a value of y:"))

print("Before Swapping :")

print("The value of x : ",x,"and y : ",y)

temp=x

x=y

y=temp

print("After Swapping :")

print("The value of x : ",x,"and y : ",y)

OUTPUT 1:

Exchange the values of two variables with temporary

Enter a value of x:2

Enter a value of y:4

Before Swapping :

The value of x : 2 and y : 4

After Swapping :

The value of x : 4 and y : 2

EXNO:1.2
 Exchange the values of two variables without temporary variable

PROGRAM:

print("Exchange the values of two variables without temporary variable")

x=int(input("Enter a value of x:"))

y=int(input("Enter a value of y:"))

print("Before Swapping :")

print("The value of x : ",x,"and y : ",y)

x,y=y,x

print("After Swapping :")

print("The value of x : ",x,"and y : ",y)

Output:

Exchange the values of two variables without temporary variable

Enter a value of x:20

Enter a value of y:30

Before Swapping :

The value of x : 20 and y : 30

After Swapping :

The value of x : 30 and y : 20

EXNO:1.3
 Calculate Distance between two points

Program :

import math

print("Calculating Distance Between Two Points")

x1=int(input("Enter x1 value :"))

x2=int(input("Enter x2 value :"))

y1=int(input("Enter y1 value :"))

y2=int(input("Enter y2 value :"))

ans=math.sqrt(((x2-x1)**2)+((y2-y1)**2))

print("Distance Between Two Point is :",ans)

Output:

Calculating Distance Between Two Points

Enter x1 value :10

Enter x2 value :32

Enter y1 value :5

Enter y2 value :6

Distance Between Two Point is : 22.02271554554524

EXNO1.4
 Circulate the values of n variable

Program :

no_of_terms=int(input("Enter numbers of values:"))

list1=[]

for val in range(0,no_of_terms,1):

ele=int(input("Enter integer:"))

list1.append(ele)

print("Circulating the elements of list:",list1)

for val in range(0,no_of_terms,1):

ele=list1.pop(0)

list1.append(ele)

print(list1)

Output:

Enter numbers of values:4

Enter integer:10

Enter integer:20

Enter integer:30

Enter integer:40

Circulating the elements of list: [10, 20, 30, 40]

[20, 30, 40, 10]

[30, 40, 10, 20]

[40, 10, 20, 30]

[10, 20, 30, 40]

EXNO:2.1
 TO FIND ODD OR EVEN NUMBER IN PYTHON

PROGRAM:

print("\t\tTO FIND ODD OR EVEN NUMBER IN PYTHON")

num = int(input("Enter a number: "))

if (num % 2) == 0:

print(num,"is Even number")

else:

print(num," is Odd number")

Output 1:

TO FIND ODD OR EVEN NUMBER IN PYTHON

Enter a number: 20

20 is Even number

Output 2:

TO FIND ODD OR EVEN NUMBER IN PYTHON

Enter a number: 71

71 is Odd number

EXNO:2.2
 TO FIND BIGGEST AMOUNG THREE NUMBERS

PROGRAM:

print("\t\tTO FIND BIGGEST AMOUNG THREE NUMBERS")

a=int(input("Enter the 1st number :"))

b=int(input("Enter the 2nd number :"))

c=int(input("Enter the 3rd number :"))

if (a>b)and (a>c):

print(a,"is largest")

elif (b>c):

print(b,"is largest")

else:

print(c,"is largest")

Output:

TO FIND BIGGEST AMOUNG THREE NUMBERS

Enter the 1st number :10

Enter the 2nd number :400

Enter the 3rd number :3000

3000 is largest

EX.NO: 2.3
 To Get Five Subject Mark And Display The Grade

Program:

print("\t\tTo Get Five Subject Mark And Display The Grade")

m1=int(input("Enter m1 mark :"))

m2=int(input("Enter m2 mark :"))

m3=int(input("Enter m3 mark :"))

m4=int(input("Enter m4 mark :"))

m5=int(input("Enter m5 mark :"))

total =m1+m2+m3+m4+m5

avg=(total/5)

print("Total :",total)

print("Average :",avg)

if m1>49 and m2>49 and m3>49 and m4>49 and m5>49:

print("Pass")

if avg>=50 and avg<60:

print("2nd class")

elif avg>=60 and avg<70:

print("1st class")

else:

print(" 1st class Distinction")

else:

print("No Grade")

OUTPUT:
 To Get Five Subject Mark And Display The Grade

Enter m1 mark :89

Enter m2 mark :66

Enter m3 mark :88

Enter m4 mark :90

Enter m5 mark :99

Total : 432

Average : 86.4

Pass

1st class Distinction

EXNO:2.4
 TO FIND A AMSTRONG NUMBER

PROGRAM:

print("TO FIND A AMSTRONG NUMBER")

num = int(input("Enter a number: "))

sum = 0

temp = num

while temp > 0:

digit = temp % 10

sum += digit ** 3

temp //= 10

if num == sum:

print(num,"is a Armstrong number")

else:

print(num,"is not a Armstrong number")

OUTPUT 1:
TO FIND A AMSTRONG NUMBER

Enter a number: 370

370 is a Armstrong number

OUTPUT 2:
TO FIND A AMSTRONG NUMBER

Enter a number: 675

675 is not a Armstrong number

EX.NO:2.5
 TO FIND THE FACTORIAL OF GIVEN NUMBER

PROGRAM:
print("To Find The Factorial Of Given Number")

n=int(input("Enter a Number :"))

f=1

for i in range(1,n+1):

f=f*i

print(f)

OUTPUT 1:
To Find The Factorial Of Given Number

Enter a Number :5

120

OUTPUT 2:
To Find The Factorial Of Given Number

Enter a Number :7

5040

EXNO:2.6
 TO PRINT A STAR PATTERN USING NESTED FOR LOOP

PROGRAM:

rows = int(input("Please Enter the Total Number of Rows : "))

print("Right Angled Triangle Star Pattern")

for i in range(1, rows + 1):

for j in range(1, i + 1):

print('*', end = ' ')

print()

OUTPUT:

Please Enter the Total Number of Rows : 6

Right Angled Triangle Star Pattern

**

***

****

*****

******

EXNO:3.1
 LINER SEARCH

PROGRAM :
def linearSearch(array, n, x):

for i in range(0, n):

if(array[i]==x):

return i

return -1

list1=[]

a=int(input("Enter How many Value :"))

print("Enter a Element :")

for i in range(1,a+1):

c=int(input())

list1.append(c)

x=int(input("Enter a number to find : "))

n=len(list1)

result = linearSearch(list1, n, x)

if(result == -1):

print("Element not found",result)

else:

print("Element found at index:",result)

OUTPUT :1
Enter How many Value :5

Enter a Element :

Enter a number to find : 3

Element found at index: 2

OUTPUT :2

Enter How many Value :5

Enter a Element :

Enter a number to find : 6

Element not found -1

EXNO:3.2
 BINARY SEARCH
PROGRAM :

def binary_search(list1, n):

low = 0

high = len(list1)-1

mid = 0

while low <= high:

mid = (high + low) // 2

if list1[mid] < n:

low = mid + 1

elif list1[mid] > n:

high = mid-1

else:

return mid

return -1

list1=[]

x=int(input("Enter How many value :"))

print("Enter The Element :")

for i in range(1,x+1):

a=int(input())

list1.append(a)

n = int(input("Enter a Elements to find : "))

result = binary_search(list1, n)

if result != -1:
 print("Element is present at index", str(result))

else:

print("Element is not present in list1")

OUTPUT :1
Enter How many value :5

Enter The Element :

10

20

30

40

50

Enter a Elements to find : 30

Element is present at index 2

OUTPUT :2
Enter How many value :5

Enter The Element :

50

60

70

80

90

Enter a Elements to find : 100

Element is not present in list1

EXNO:4.1
 Selection Sort

PROGRAM :

def selectionsort(array,size):

for step in range(size):

min_idx=step

for i in range(step+1,size):

if array[i]<array[min_idx]:

min_idx=i

(array[step],array[min_idx])=(array[min_idx],array[step])

data=[]

p=int(input("Number of elements: "))

for i in range(0,p):

l=int(input())

data.append(l)

print("Before sorted list:",data)

size=len(data)

selectionsort(data,size)

print("After sorted list using selection sort:",data)

OUTPUT :
Number of elements: 6

50

40

30

20

10

Before sorted list: [50,40,30,20,10]

After sorted list using selection sort: [10,20,30,40,50]

EXNO:4.2
 Insertion Sort
PROGRAM:
def insertionsort(array):

for step in range(1,len(array)):

key=array[step]

j=step-1

while j>=0 and key<array[j]:

array[j+1]=array[j]

j=j-1

array[j+1]=key

data=[]

p=int(input("Number of elements: "))

for i in range(0,p):

l=int(input())

data.append(l)

print("Before sorted array:",data)

insertionsort(data)

print("After sorted array using insertion sort :",data)

OUTPUT :
Number of elements: 6

Before sorted array: [5,4,3,2,1]

After sorted array using insertion sort : [1,2,3,4,5]

EXNO:5.1
 Merge Sort

PROGRAM :
def mergeSort(array):

if len(array) > 1:

r = len(array)//2

L = array[:r]

M = array[r:]

mergeSort(L)

mergeSort(M)

i=j=k=0

while i < len(L) and j < len(M):

if L[i] < M[j]:

array[k] = L[i]

i += 1

else:

array[k] = M[j]

j += 1

k += 1

while i < len(L):

array[k] = L[i]

i += 1

k += 1

while j < len(M):

array[k] = M[j]

j += 1

k += 1
def printList(array):

for i in range(len(array)):

print(array[i], end=" ")

print()

array = []

p=int(input("Number of elements: "))

print("Enter The Element :")

for i in range(0,p):

l=int(input())

array.append(l)

print("Before sorted array : ",array)

mergeSort(array)

print("Sorted array using merge sort: ",array)

OUTPUT :
Number of elements: 4

Enter The Element :

78

56

34

-2

Before sorted array : [78, 56, 34, -2]

Sorted array using merge sort: [-2, 34, 56, 78]

EXNO:5.2
 QUICK SORT
PROGRAM :
def partition(array, low, high):

pivot = array[high]

i = low - 1

for j in range(low, high):

if array[j] <= pivot:

i=i+1

(array[i], array[j]) = (array[j], array[i])

(array[i + 1], array[high]) = (array[high], array[i + 1])

return i + 1

def quickSort(array, low, high):

if low < high:

pi = partition(array, low, high)

quickSort(array, low, pi - 1)

quickSort(array, pi + 1, high)

data=[]

n=int(input("Number of elements: "))

for i in range(0,n):

l=int(input())

data.append(l)

print("Before sorted list:",data)

quickSort(data, 0, n- 1)

print('Sorted Array using quicksort:',data)

OUTPUT :
Number of elements: 6

60

50

40

30

20

10

Before sorted list: [60,50,40,30,20,10]

Sorted Array using quicksort: [10,20,30,40,50,60]

EX.NO:6.1
 TO FIND APPEND , REVERSE AND POP IN A LIST

PROGRAM:

print("\t\tTo Find Append , Reverse And Pop In a List")

print()

print("\t\t Append in List")

n=int(input("Enter how Many Value :"))

list1=[]

print("Enter List Element :")

for I in range(1,n+1):

a=int(input())

list1.append(a)

print("Before Appending ",list1)

x=int(input("Enter Adding Element :"))

list1.append(x)

print("After Appending ",list1)

print()

print("\t\tReverse in List")

list2=[]

n=int(input("Enter how Many Value :"))

print("Enter List Element :")

for I in range(1,n+1):

a=int(input())

list2.append(a)

print("Before Reverse ",list2)

list2.reverse()

print("After reverse ",list2)

print()

print("\t\tPop in List Element")

list3=[]

n=int(input("Enter how Many Value :"))

print("Enter List Element :")

for I in range(1,n+1):

a=int(input())

list3.append(a)

print("Before pop in list ",list3)

print("Enter poping Element Index :")

p=int(input())

list3.pop(p)

print("After pop in List ",list3)

OUTPUT:
 To Find Append , Reverse And Pop In a List

Append in List

Enter how Many Value :4

Enter List Element :

10

20

30

40

Before Appending [10, 20, 30, 40]

Enter Adding Element :50

After Appending [10, 20, 30, 40, 50]

Reverse in List

Enter how Many Value :5

Enter List Element :

Before Reverse [4, 3, 2, 1, 0]

After reverse [0, 1, 2, 3, 4]

Pop in List Element

Enter how Many Value :4

Enter List Element :

100
200

300

400

Before pop in list [100, 200, 300, 400]

Enter poping Element Index :

After pop in List [200, 300, 400]

EX.NO: 6.2
 PROGRAM FOR SLICING LIST
PROGRAM:

print("\t\tProgram For Slicing List")

print()

n=int(input("Enter how Many Value :"))

list1=[]

print("Enter List Element :")

for I in range(1,n+1):

a=int(input())

list1.append(a)

print("list is ",list1 )

print("Index 0 to 3 :",list1[0:4])

print("Index 3 to 5 :",list1[3:6])

print("Index To print Reverse :",list1[::-1])

print("Last Element in List :",list1[-1])

OUTPUT :
Program For Slicing List
Enter how Many Value :5

Enter List Element :

12

13

14

15

16

list is [12, 13, 14, 15, 16]

Index 0 to 3 : [12, 13, 14, 15]

Index 3 to 5 : [15, 16]

Index To print Reverse : [16, 15, 14, 13, 12]

Last Element in List : 16

EX.NO: 6.3

TO DISPLAY THE MAXIMUM AND MINIMUM VALUE IN

THE TUPLE
PROGRAM:

print("To Display The Maximum And Minimum\n")

n=int(input("Enter how Many Value :"))

list1=[]

print("Enter List Element :")

for I in range(1,n+1):

a=int(input())

list1.append(a)

a=tuple(list1)

print("Tuple is ",a)

highest=max(a)

print("Highest value is ",highest)

low=min(a)

print("Lowest value is ",low)

OUTPUT :
To Display The Maximum And Minimum

Enter how Many Value :5

Enter List Element :

10

200

34

32

66

Tuple is (10, 200, 34, 32, 66)

Highest value is 200

Lowest value is 10

EXNO:6.4
TO INTERCHANGE TWO VALUES USING TUPLE ASSIGNMENT

PROGRAM :
print("\t\t To Interchange Two Values Using Tuple Assignment")

a = int(input("Enter value of A: "))

b = int(input("Enter value of B: "))

print("Before swap tuple Value of A = ",a," Value of B = " , b)

(a, b) = (b, a)

print("After swap tuple Value of A = ", a," Value of B = ", b)

OUTPUT :
To Interchange Two Values Using Tuple Assignment

Enter value of A: 45

Enter value of B: 75

Before swap tuple Value of A = 45 Value of B = 75

After swap tuple Value of A = 75 Value of B = 45

EX.NO: 7.1
 TO DISPLAY SUM OF ELEMENT ADD ELEMENT AND
REMOVE ELEMENT IN THE SET
PROGRAM:

print("To Display Sum Of Element , Add Element And Remove Element In The Set")

n=int(input("Enter how Many Value :"))

list1=[]

print("Enter List Element :")

for I in range(1,n+1):

a=int(input())

list1.append(a)

a=set(list1)

print()

print("Set a value is :",a)

sum_set=sum(a)

print("Sum of Element In Set :",sum_set)

print()

print("Before Adding set ",a)

print("Enter Adding Element :")

b=int(input())

a.add(b)

print("After Adding Set ",a)

print()

print("Before Remove Element in Set ",a)

print("Enter Remove Element :")

b=int(input())

a.remove(b)

print("After Remove Element in set ",a)

Output:
To Display Sum Of Element , Add Element And Remove Element In The Set

Enter how Many Value :5

Enter List Element :

Set a value is : {1, 2, 3, 4, 5}

Sum of Element In Set : 15

Before Adding set {1, 2, 3, 4, 5}

Enter Adding Element :

After Adding Set {1, 2, 3, 4, 5, 6}

Before Remove Element in Set {1, 2, 3, 4, 5, 6}

Enter Remove Element :

After Remove Element in set {2, 3, 4, 5, 6}

EX.NO: 7.2
 TO DISPLAY INTERSECTION OF ELEMENT AND
DIFFERENCE OF ELEMENT IN THE SET
PROGRAM:

n=int(input("Enter how Many Value :"))

list1=[]

print("Enter Set A Element :")

for i in range(1,n+1):

a=int(input())

list1.append(a)

a1=set(list1)

n=int(input("Enter how Many Value For B set :"))

list2=[]

print("Enter Set B Element :")

for i in range(1,n+1):

a=int(input())

list2.append(a)

b1=set(list2)

print("A set is ",a1)

print("B set is ",b1)

print("Intersection of sets ",a1.intersection(b1))

print("Difference of sets 'a' & 'b' ",a1.difference(b1))

Output:
Enter how Many Value :5

Enter Set A Element :

11

12

13

14

15

Enter how Many Value For B set :5

Enter Set B Element :

14

15

16

17

18

A set is {11, 12, 13, 14, 15}

B set is {14, 15, 16, 17, 18}

Intersection of sets {14, 15}

Difference of sets 'a' & 'b' {11, 12, 13}

EXNO:7.3
 TO UPDATING A ELEMENTS IN A DICTONARY
PROGRAM:

Dictionary1 = {}

Dictionary2 = {}

print("\t\tDictionary 1")

n=int(input("Enter How many value :"))

for i in range(0,n):

name=input("Enter Name :")

salary=input("Enter salary :")

Dictionary1[name]=salary

print("Original Dictionary:")

print(Dictionary1)

print("\t\tDictionary 2")

n=int(input("Enter How many value :"))

for i in range(0,n):

name=input("Enter Name :")

salary=input("Enter salary :")

Dictionary2[name]=salary

Dictionary1.update(Dictionary2)

print("Dictionary after updation:")

print(Dictionary1)

OUTPUT:
 Dictionary 1

Enter How many value :2

Enter Name :sakthi

Enter salary :20000

Enter Name :baskar

Enter salary :45000

Original Dictionary:

{'sakthi': '20000', 'baskar': '45000'}

Dictionary 2

Enter How many value :1

Enter Name :parthipan

Enter salary :50000

Dictionary after updation:

{'sakthi': '20000', 'baskar': '45000', 'parthipan': '50000'}

EXNO:7.4
 SUM OF ALL ITEMS IN A DICTIONARY

Program :

def returnSum1(myDict):

List=[]

for i in myDict:

List.append(myDict[i])

final=sum(List)

return final

def returnSum2(dict):

sum=0

for i in dict.values():

sum=sum+i

return sum

def returnSum3(dict):

sum=0

for i in dict:

sum=sum+dict[i]

return sum

dict={}

n=int(input("Enter How many value :"))

for i in range(0,n):

a=input("Enter keys :")

b=int(input("Enter values :"))

dict[a]=b

print("Dictionary :",dict)
print("Sum in method 1 :",returnSum1(dict))

print("Sum in method 2 :",returnSum2(dict))

print("Sum in method 3 :",returnSum3(dict))

Output :

Enter How many value :3

Enter keys :a

Enter values :10

Enter keys :b

Enter values :20

Enter keys :c

Enter values :30

Dictionary : {'a': 10, 'b': 20, 'c': 30}

Sum in method 1 : 60

Sum in method 2 : 60

Sum in method 3 : 60

EX.NO: 8.1
CALCULATE THE AREA OF A TRIANGLE USING WITH
ARGUMENT WITH RETURN TYPE FUNCTION
PROGRAM:

print("Calaulate The Area Of A Triangle Using\n With Argument With return type\n")

def area_triangle(h,b):

ans=(h*b)/2

return ans

a=int(input("Enter height :"))

b=int(input("Enter base :"))

ans=area_triangle(a,b)

print("Area Of Triangle is ",ans)

OUTPUT :
Calaulate The Area Of A Triangle Using

With Argument With return type

Enter height :10

Enter base :20

Area Of Triangle is 100.0

EXNO:8.2
 GREATEST COMMON DIVISOR PROGRAM USING FUNCTION
WITHOUT ARGUMENT & WITH RETURN VALUE

PROGRAM :

print("To Greatest commom Divisor \n\tUsing\nwith Argument Without Return Type Function ")

print()

def GCD_Loop():

gcd=0

a=int(input(" Enter the first number: "))

b=int(input(" Enter the second number: "))

if a > b:

temp = b

else:

temp = a

for i in range(1, temp + 1):

if (( a % i == 0) and (b % i == 0 )):

gcd = i

return gcd

num = GCD_Loop()

print("GCD of two number is: ",num)

OUTPUT :
To Greatest commom Divisor

Using

with Argument Without Return Type Function

Enter the first number: 98

Enter the second number: 56

GCD of two number is: 14

EX.NO: 8.3
TO FACTORIAL OF GIVEN NUMBER USING REGRERESSION

PROGRAM:

print("To Factorial Of Given Number Using Regreression")

def factorial(n):

if n==0:

return 1

else:

return n*factorial(n-1)

num=int(input("Enter a number:"))

if num<0:

print("sorry,factorial does not exist for negative numbers")

elif num==0:

print("The factorial of 0 is 1")

else:

print("The factorial of",num,'is',factorial(num))

OUTPUT :

To Factorial Of Given Number Using Regreression

Enter a number:7

The factorial of 7 is 5040

EXNO:9.1

PYTHON PROGRAM TO COUNT NUMBER OF VOWELS AND

 CONSONANTS IN A STRING
PROGRAM:

str=input("Enter a string : ");

vowels=0

consonants=0

for i in str:

if(i == 'a'or i == 'e'or i == 'i'or i == 'o'or i == 'u' or

i == 'A'or i == 'E'or i == 'I'or i == 'O'or i == 'U' ):

vowels=vowels+1;

else:

consonants=consonants+1;

print("The number of vowels:",vowels);

print("\nThe number of consonant:",consonants);

OUTPUT:

Enter a string : python program

The number of vowels: 3

The number of consonant: 11

EXNO:9.2

PYTHON PROGRAM PALINDROME USING STRING

PROGRAM:

string=input(("Enter a letter:"))

if(string==string[::-1]):

print("The given string is a palindrome")

else:

print("The given string is not a palindrome")

OUTPUT 1:

Enter a letter:sps

The given string is a palindrome

OUTPUT 2:

Enter a letter: class

The given string is not a palindrome

EX.NO: 9.3
TO READ N NAME AND SORT NAME IN ALPHABETIC ORDER
USING STRING
PROGRAM:

print("To Read N Name And Sort Name In Alphabetic Order Using String")

n=int(input("ENTER A HOW MANY VALUE :"))

na=[]

for i in range(n):

a=input("Enter Name :")

na.append(a)

print("Before Sorting ",na)

na.sort()

print("After Sorting ",na)

Output:

To Read N Name And Sort Name In Alphabetic Order Using String

ENTER A HOW MANY VALUE :3

Enter Name :car

Enter Name :zap

Enter Name :xerox

Before Sorting ['car', 'zap', 'xerox']

After Sorting ['car', 'xerox', 'zap']

EX.NO:10.1
 TO OPERATION ON NUMPY WITH ARRAY
PROGRAM:

import numpy as np
arr1=[]
print("\t\tEnter Firt Array ")
r=int(input("Enter How Many Row :"))
c=int(input("Enter How Many Coloum :"))
for i in range(r):
b=[]
for j in range(c):
x=int(input("Enter Element :"))
b.append(x)
arr1.append(b)

arra1=np.array(arr1)
print(arra1)

arr2=[]
print("\t\tEnter Second Array ")
r=int(input("Enter How Many Row :"))
c=int(input("Enter How Many Coloum :"))
for i in range(r):
b=[]
for j in range(c):
x=int(input("Enter Element :"))
b.append(x)
arr2.append(b)

arra2=np.array(arr2)

print("\nSecond array:")
print(arra2)
print("\nAdding the two arrays:")
print(np.add(arra1,arra2))
print("\nSubtracting the two arrays:")
print(np.subtract(arra1,arra2))
print('\nMultiplying the two arrays:')
print(np.multiply(arra1,arra2))
print('\nDividing the two arrays:')
print(np.divide(arra1,arra2))

OUTPUT:
Enter Firt Array

Enter How Many Row :2

Enter How Many Coloum :2

Enter Element :1

Enter Element :2

Enter Element :3

Enter Element :4

[[1 2]

[3 4]]

Enter Second Array

Enter How Many Row :2

Enter How Many Coloum :2

Enter Element :4

Enter Element :3

Enter Element :2

Enter Element :1

Second array:

[[4 3]

[2 1]]
Adding the two arrays:

[[5 5]

[5 5]]

Subtracting the two arrays:

[[-3 -1]

[ 1 3]]

Multiplying the two arrays:

[[4 6]

[6 4]]

Dividing the two arrays:

[[0.25 0.66666667]

[1.5 4. ]]

EX.NO:10.2

Dataframe From Three Series Using Pandas

PROGRAM:
import pandas as pd
print("Display Student Details Pandas")
stu = {'Roll_no':[],'Name':[],'Age':[],'Class':[],'Date_of_birth':[]}
while True:
print("\t\tMenu Card\n")
print("1) Adding Student Details ")
print("2) Display Student Details")
print("3) Insert New Categories Place ")
print("4) Drop Coloumn By Name ")
print("5) Exit")
c=int(input("Enter Your Choise :"))

if c==1:
no=int(input("Enter No.Of Student :"))
for i in range(no):
Rool_no=int(input("Enter Rool Number :"))
Name=input("Enter Name :")
Age=int(input("Enter Age :"))
Class=input("Enter Class :")
Date_of_birth=input("Enter Date Of Birth :")
stu['Roll_no'].append(Rool_no)
stu['Name'].append(Name)
stu['Age'].append(Age)
stu['Class'].append(Class)
stu['Date_of_birth'].append(Date_of_birth)
stu = pd.DataFrame(stu)
elif c==2:
print(stu)
elif c==3:
print("Adding new categorie Placce")
x=int(input("Enter Numer Of Iterm :"))
Place = []
for i in range(x):
P = input("Enter Place : ")
Place.append(P)
 stu['place'] = Place
print("After Insert New Categories")
print(stu)
elif c==4:
print("Drop Coloumn By Name")
n=input("Enter Drop coloumn Name With correct Spelling :")
stu.drop(str(n), axis=1, inplace=True)
print(stu)
elif c==5:
break
print("Thank you for watching our program !!")

OUTPUT:
Display Student Details Pandas

Menu Card

1) Adding Student Details

2) Display Student Details

3) Insert New Categories Place

4) Drop Coloumn By Name

5) Exit

Enter Your Choise :1

Enter No.Of Student :2

Enter Rool Number :4575

Enter Name :sakthi

Enter Age :23

Enter Class :MCA

Enter Date Of Birth :30-12-2001

Enter Rool Number :1234

Enter Name :parthipan

Enter Age :21

Enter Class :MCA

Enter Date Of Birth :26-12-2001

Menu Card

1) Adding Student Details

2) Display Student Details

3) Insert New Categories Place

4) Drop Coloumn By Name

5) Exit

Enter Your Choise :2

Roll_no Name Age Class Date_of_birth

0 4575 sakthi 23 MCA 30-12-2001

1 1234 parthipan 21 MCA 26-12-2001

Menu Card

1) Adding Student Details

2) Display Student Details

3) Insert New Categories Place

4) Drop Coloumn By Name

5) Exit

Enter Your Choise :3

Adding new categorie Placce

Enter Numer Of Iterm :2

Enter Place : Ariyalur

Enter Place : Karur

After Insert New Categories

Roll_no Name Age Class Date_of_birth place

0 4575 sakthi 23 MCA 30-12-2001 Ariyalur

1 1234 parthipan 21 MCA 26-12-2001 Karur

Menu Card
1) Adding Student Details

2) Display Student Details

3) Insert New Categories Place

4) Drop Coloumn By Name

5) Exit

Enter Your Choise :4

Drop Coloumn By Name

Enter Drop coloumn Name With correct Spelling :Class

Roll_no Name Age Date_of_birth place

0 4575 sakthi 23 30-12-2001 Ariyalur

1 1234 parthipan 21 26-12-2001 Karur

Menu Card

1) Adding Student Details

2) Display Student Details

3) Insert New Categories Place

4) Drop Coloumn By Name

5) Exit

Enter Your Choise :5

Thank you for watching our program !!

EX.NO:10.3
 PROGRAM TO LINE CHART-MATPLOTLIB

PROGRAM:

from matplotlib import pyplot as plt

from matplotlib import style

print("Line Chart Using Matplotlib\n")

style.use('ggplot')

x=[]

n=int(input("Enter Limit :"))

print("Enter Element :")

for i in range(n):

a=int(input())

x.append(a)

y=[]

n=int(input("Enter Limit :"))

print("Enter Element :")

for i in range(n):

b=int(input())

y.append(b)

print(x)

print(y)

plt.plot(x,y,'g',label='line one',linewidth=5)

plt.title('Epic Info')

plt.ylabel('y axis')
plt.xlabel('x axis')

plt.legend()

plt.grid(True,color='y')

plt.show()

OUTPUT:

Line Chart Using Matplotlib

Enter Limit :5

Enter Element :

Enter Limit :5

Enter Element :

[4, 3, 4, 5, 4]

[6, 4, 2, 4, 6]
EX.NO:10.4
PROGRAM TO USING SCIPY

PROGRAM:

from scipy import misc,ndimage

import matplotlib.pyplot as plt

face = misc.face()

plt.imshow(face)

plt.show()

rotate_face = ndimage.rotate(face, 45)

plt.imshow(rotate_face)

plt.show()

OUTPUT:
EXNO:11.1

Merging two files

PROGRAM :
def program1():

f = open("python2.txt","w")

para=input("Enter the para for pythonfile :")

newline="\n"

f.write(para)

f.write(newline)

f.close()

def program2():

f = open("Javafile.txt","w")

para=input("Enter the para for Java file :")

newline="\n"

f.write(para)

f.write(newline)

f.close()

def program3():

with open("python2.txt","r") as f1:

data=f1.read()

with open("Javafile.txt","r") as f2:

data1=f2.read()

with open("merge.txt","w") as f3:

f3.write(data)

f3.write(data1)

f3.close()

program1()
print("Writing File1 Succussful")

program2()

print("Writing File2 Succussful")

program3()

print("Writing File3 Succussful")

OUTPUT:
Enter the para for pythonfile :we can import python module

Writing File1 Succussful

Enter the para for Java file :directory must contain

Writing File2 Succussful

Writing File3 Succussful

EXNO:11.2

To Count The Upper Case , Lower Case & Digits In A File

PROGRAM :

def filecreation():

f = open("pythonfile.txt","w")

line=input("Type a para maximum 2 lines :")

new_line="\n"

f.write(line)

f.write(new_line)

f.close()

def operation():

with open("pythonfile.txt","r") as f1:

data=f1.read()

cnt_ucase =0

cnt_lcase=0

cnt_digits=0

for ch in data:

if ch.islower():

cnt_lcase+=1

if ch.isupper():

cnt_ucase+=1

if ch.isdigit():

cnt_digits+=1

print("Total Number of Upper Case letters are:",cnt_ucase)

print("Total Number of Lower Case letters are:",cnt_lcase)

 print("Total Number of digits are:",cnt_digits)

filecreation()

operation()

OUTPUT :
Type a para maximum 2 lines :A package is a container that contains Various 1234

Total Number of Upper Case letters are: 2

Total Number of Lower Case letters are: 37

Total Number of digits are: 4

EXNO:12.1

Exception Handling Program using Zero division Error

PROGRAM:
try:

x=int(input("Enter the first value :"))

y=int(input("Enter the second value:"))

z=x/y

except ZeroDivisionError:

print("ZeroDivisionError Block")

print("Division by zero is not allowed ")

else:

print("Division of x and y is :",z)

OUTPUT:1
Enter the first value :6

Enter the second value:9

Division of x and y is : 0.6666666666666666

OUTPUT:2
Enter the first value :24

Enter the second value:0

ZeroDivisionError Block

Division by zero is not allowed

EXNO:12.2

TO FIND THE GIVEN AGE IS ELIGIBLE FOR VOTE OR NOT USING

RAISE KEYWORD

PROGRAM:

try:

x=int(input("Enter your age :"))

if x>100 or x<0:

raise ValueError

except ValueError:

print(x,"is not a valid age! Try again")

else:

if x>17:

print(x,"is eligible for vote")

else:

print(x,"is not eligible for vote")

OUTPUT :1
Enter your age :6

6 is not eligible for vote

OUTPUT:2
Enter your age :1999

1999 is not a valid age! Try again

OUTPUT :3
Enter your age :24

24 is eligible for vote

EXNO:12.3

Multiple Exception Handling

PROGRAM:

try:

a=int(input("Enter the first number :"))

b=int(input("Enter the second number :"))

print ("Division of a", a,"& b",b, "is : ", a/b)

except (TypeError,ValueError):

print('Unsupported operation')

except ZeroDivisionError:

print ('Division by zero not allowed')

else:

print ('End of No Error')

OUTPUT 1:
Enter the first number :5

Enter the second number :4

Division of a 5 & b 4 is : 1.25

End of No Error

OUTPUT 2:
Enter the first number :4

Enter the second number :r

Unsupported operation
EX.NO:13.1

TO DISPLAY THE DETAILS USING CLASS

PROGRAM:

class Student:

def getStudentInfo(self):

self.rollno=input("Roll Number: ")

self.name=input("Name: ")

def PutStudent(self):

print("Roll Number : ", self.rollno,"Name : ", self.name)

class Bsc(Student):

def GetBsc(self):

self.getStudentInfo()

self.p=int(input("Physics Marks: "))

self.c = int(input("Chemistry Marks: "))

self.m = int(input("Maths Marks: "))

def PutBsc(self):

self.PutStudent()

print("Marks is Subjects ", self.p,self.c,self.m)

class Ba(Student):

def GetBa(self):

self.getStudentInfo()

self.h = int(input("History Marks: "))

self.g = int(input("Geography Marks: "))

 self.e = int(input("Economic Marks: "))

def PutBa(self):

self.PutStudent()

print("Marks is Subjects ", self.h,self.g,self.e)

print("Enter Bsc Student's details")

student1=Bsc()

student1.GetBsc()

student1.PutBsc()

print("Enter Ba Student's details")

student2=Ba()

student2.GetBa()

student2.PutBa()
OUTPUT:

Enter Bsc Student's details

Roll Number: 4575

Name: sakthi

Physics Marks: 87

Chemistry Marks: 67

Maths Marks: 66

Roll Number : 4575 Name : sakthi

Marks is Subjects 87 67 66

Enter Ba Student's details

Roll Number: 123

Name: siva

History Marks: 78

Geography Marks: 89

Economic Marks: 99

Roll Number : 123 Name : siva

Marks is Subjects 78 89 99