Python

 BASIC EXAMPLE PROBLEMS

1)AIM: Implement the python program script for checking the given year is leap year or not

PROGRAM:

    y=int(input(" Entre the year :"))

if y%100==0:

    if y%400==0:

        print(y, "is a leap year ")

    else:

        print(y, "is not a leap year ")

else:

    if y%4==0:

        print(y," is a leap year ")

    else:

        print(y, "is not a leap year ")

2)AIM: Implement the python script finding biggest number among three numbers

PROGRAM:

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

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

c=int(input("enter the third number :"))

if a>b and a>c :

print(" biggest =",a)

else :

if b>c :

print("biggest =",b)

else :

print("biggest =",c)

3)

AIM: Implement python script for displaying the reversal of a given number

PROGRAM:

n=int(input("enter the number :"))

print("reverse of the number =",end=" ")

while n!=0:

r=n%10

print(r, end=" ")

n=n//10

4)AIM: Implement the python script to check given number is Armstrong number or not

PROGRAM:

n=int(input("enter the number :"))

m=n

s=0

while m!=0:

r=m%10

s=s+r**3

m=m//10

if s==n:

print(n," is a armstrong number ")

else:

print(n, "is not a armstrong number ")

5)AIM: Implement python script to print sum of N natural numbers

PROGRAM:

n=int(input("enter the number :"))

s=0

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

s= s+ i

print("sum of first", n, "natural numbers=",s)

6)AIM: Implement the python script to check whether the given number is palindrome or not

 PROGRAM:

n=int(input("enter the number"))

rev=0

m=n

while n!=0:

    r=n%10

    rev=rev*10+r

    n=n//10

if rev==m:

    print(m, "is a palindrome")

else:

    print(m, "is not a palindrome")

7)AIM: Implement python script print factorial of a number

PROGRAM:

n=int(input("enter the number :"))

f=1

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

    f=f*i

    print("factorial of ",n ,"is=",f). 8)AIM : Implement python script to print all the prime numbers with in the given range

PROGRAM:

n1,n2=input("Enter the range:").split()

n1=int(n1)

n2=int(n2)

print("prime numbers in the range",n1,"to",n2,"are")

for n in range(n1,n2+1):

    flag=1

    for i in range(2,n//2+1):

        r=n%i

        if(r==0):

            flag=0

            break

    if flag==1:

        print(n, end=" ")

Module-1

1)MODULE-1 PROGRAM 1.A

AIM: Implement python script to display elements of list in reverse order.

PROGRAM: 

l=list(input("Enter the list values : ").split())

l.reverse()

print(" Elements of the list in reverse order are: ",end=' ')

for i in l:

    print(i,end=' ')

2)MODULE-1 PROGRAM 1.B

AIM: Implement python script to find minimum and maximum elements without using built-in operations in the lists.

PROGRAM:

 l=list(map(int,input("Enter list values : ").split()))

minimum=maximum=l[0]

for i in l:

    if i>maximum:

        maximum=i

    if i<minimum:

        minimum=i

print("Minimum Element in the list = ",minimum)

print("Maximum Element in the list = ",maximum)

MODULE-2 PROGRAM 2.A

AIM: Implement python script to create a tuple with different data types.

PROGRAM:

n=input(" Enter Your Name : ")

m=int(input("Enter marks in Python Subject : "))

res=bool(input(" Passed in the subject ( Y/N) : "))

a=float(input(" Enter your Average Marks : "))

t=(n,m,res,a)

print("The tuple With Different types is : ",t)

MODULE-3 PROGRAM 3.A

AIM: Implement python script to add members in a set

PROGRAM:       

S=set()

n=int(input("Enter the number of elments in a set :"))

for i in range(n):

    num=input("enter the element : ")

    S.add(num)

print(" The set of elements are :",S)

MODULE-3 PROGRAM 3.B

AIM: Implement python script to perform union, Intersection, Difference of given two sets

PROGRAM:

s1=set(input("Enter the elements of the first set :").split())

s2=set(input("Enter the elements of the second set :").split())

print("elements of the first set :",s1)

print("elements of the second set :",s2)

print("Union of (S1,S2) is  :",s1|s2)

print("Intersection of s1&s2 is :",s1.intersection(s2))

print("Difference of s1-s2 is :",s1-s2)

print("Symmetric Difference of (s1,s2) is :",s1^s2)

       

    MODULE -4 PROGRAM 4.A

PROGRAM: Implement python script to sort (ascending and descending) a dictionary by values.

n=int(input("Enter No Of Students : "))

markdict={}

for i in range(n):

    sname,marks=input("Enter name and marks of %d student : "%(i+1)).split()

    markdict[sname]=int(marks)

marklist=list(markdict.items())

marklist1 = sorted(markdict.items(), key=lambda x:x[1])

l=len(marklist)

for i in range(l-1):

    for j in range(l-i-1):

        if marklist[j][1]<marklist[j+1][1]:

            t=marklist[j]

            marklist[j]=marklist[j+1]

            marklist[j+1]=t

sortdict=dict(marklist)

print(" Data in sorted ( Descending ) order : ",sortdict)

sortdict=dict(marklist1)

print(" Data in sorted ( Ascending ) order : ",sortdict)

MODULE-5 PROGRAM 5.A

AIM: Define a function, which generates Fibonacci series up to n numbers.

PROGRAM:

def fib(n):

    if n==0 or n==1:

        return n

    return fib(n-1)+fib(n-2)

n=int(input('enter the No.Of terms : '))

print(' Fibonacci series upto %d terms'%n)

for i in range(n):

    f=fib(i)

    print(f,end=' ')

AIM: Implement a python script for factorial of number by using recursion.

PROGRAM:

def fact(n):

    if n==0:

        return 1

    return n*fact(n-1)

n=int(input(" Enter the number : "))

f=fact(n)

print(" Factorial of %d = %d"%(n,f)). .AIM: Implement a python script for factorial of number by using recursion.

PROGRAM:

def fact(n):

    if n==0:

        return 1

    return n*fact(n-1)

n=int(input(" Enter the number : "))

f=fact(n)

print(" Factorial of %d = %d"%(n,f)). .MODULE-5 PROGRAM 5.C

AIM: Implement a python script to find GCD of given two numbers using recursion.

PROGRAM:

def GCD(x,y):

    if x==y:

        return x

    elif x>y:

        return GCD(x-y,y)

    else:

        return GCD(x,y-x)

a,b=map(int,input(" Enter any two numbers : ").split())

g=GCD(a,b)

print("GCD of %d ,%d is %d"%(a,b,g)) .MODULE-6 PROGRAM 6.B

AIM: Implementation of python script to accept line of text and find the number of characters, number of vowels and number of blank spaces in it.

PROGRAM:

s=input("Please Enter line of Text : ")

cvol=0

cspace=0

cc=0

for ch in s:

    cc=cc+1

    if (ch=='a' or ch=='e' or ch=='i' or ch=='o' or ch=='u' or ch=='A' or ch=='E' or ch=='I' or ch=='O' or ch=='U'):

        cvol = cvol + 1

    elif ch==' ':

        cspace = cspace + 1

print("Number of Vowels in the Text = ",cvol)

print("Number of spaces = ",cspace)

print("Number of characters = ",cc). .MODULE-7 PROGRAM 7.A

Aim: Write a Python script to check that a string contains only a certain set of characters (in this case a-z, A-Z and 0-9).

Program:

Import re

def is_alnum(s):

    m=re.fullmatch("[a-zA-Z0-9]*",s)

    if m!= None:

        print("String is formed with specified pattern") 

    else:

        print("String is not formed with specified pattern ") 

s=input("Enter the String : ")

is_alnum(s) .MODULE-10 PROGRAM 8.A

AIM :  Write a Python programming to create a pie chart with a title.

PROGRAM 21 : 

import matplotlib.pyplot as plt

# Plot data

languages = 'Java', 'Python', 'PHP', 'JavaScript', 'C#', 'C++'

popuratity = [22.2, 17.6, 8.8, 8, 7.7, 6.7]

#colors = ['red', 'gold', 'yellowgreen', 'blue', 'lightcoral', 'lightskyblue']

colors = ["#1f77b4", "#ff7f0e", "#2ca02c", "#d62728", "#9467bd", "#8c564b"]

# explode 1st slice

explode = (0, 0.1, 0, 0, 0, 0)  

# Plot

plt.pie(popuratity, explode=explode, labels=languages, colors=colors,

autopct='%1.1f%%', shadow=True, startangle=140)

plt.title("PopularitY of Programming Language\n" + "Worldwide, Oct 2017 compared to a year ago", bbox={'facecolor':'0.8', 'pad':5})

plt.show()