KENDRIYA VIDYALAYA LUMDING
PRACTICAL FILE
COMPUTER SCIENCE (083)
CLASS: XI A
(SESSION: 2023-24)
SUBMITTED BY: ………………………………………
ROLL NO. : ………………………………………
1
Program 1: WAP to input principal amount, rate of interest and time period & calculate simple
interest.
Code:
p=int(input("Enter Principal amount="))
r=float(input("Enter rate of interest="))
t=int(input("Enter time period in years="))
si=(p*r*t)/100
print("Simple Interest=",si)
Output:
Enter Principal amount=5000
Enter rate of interest=6.5
Enter time period in years=6
Simple Interest= 1950.0
Program 2: WAP in python to swap two numbers.
Code:
#Program to swap two numbers
a=int(input("Enter first number"))
b=int(input("Enter first number"))
print("Before swapping the values are=",a,b)
a,b=b,a
print("After swapping the values are=",a,b)
Output:
Enter first number50
Enter first number100
Before swapping the values are= 50 100
After swapping the values are= 100 50
Program 3: WAP in python to check whether a user entered number is even or odd.
Code:
number=int(input("Enter any integer number="))
if number%2==0:
print("The entered number" , number, " is Even")
else:
print("The entered number" , number, " is Odd")
Output:
Enter any integer number=43
The entered number 43 is Odd
Enter any integer number=72
The entered number 72 is Even
2
Program 4: Write a program to display weekday name against a user entered weekday number.
Code:
weekdayno=int(input("Enter day number of week day="))
if weekdayno==1:
print("Monday")
elif weekdayno==2:
print("Tuesday")
elif weekdayno==2:
print("Wednesday")
elif weekdayno==4:
print("Thursday")
elif weekdayno==5:
print("Friday")
elif weekdayno==6:
print("Saturday")
elif weekdayno==7:
print("Sunday")
else:
print("You have entered wrong day number")
Output:
Enter day number of week day=6
Saturday
Enter day number of week day=1
Monday
Program 5: WAP in python to calculate & display the result of a user entered arithmetic operation
done on two user entered numbers.
Code:
num1=int(input("Enter first number="))
num2=int(input("Enter second number, except zero="))
arop=input("Enter arithmetic symbol=")
#For Addition
if arop=='+':
print("The addition of two numbers",num1,num2,"=",num1+num2)
#For subtraction
if arop=='-':
print("The sutraction of two numbers",num1,num2,"=",num1-num2)
#For Product
if arop=='*':
print("The product of two numbers",num1,num2,"=",num1*num2)
#For Quotient
if arop=='/':
print("The quotient of two numbers",num1,num2,"=",num1/num2)
3
#For Floor division
if arop=='//':
print("The quotient in floor division of two numbers",num1,num2,"=",num1//num2)
#For Remainder
if arop=='%':
print("The modulo/remainder of two numbers",num1,num2,"=",num1%num2)
#For Exponent
if arop=='**':
print("The exponentiation of two numbers",num1,num2,"=",num1**num2)
Output:
Enter first number=45
Enter second number, except zero=7
Enter arithmetic symbol=/
The quotient of two numbers 45 7 = 6.428571428571429
Enter first number=45
Enter second number, except zero=7
Enter arithmetic symbol=%
The modulo/remainder of two numbers 45 7 = 3
Program 6: WAP in python to find the largest value among three user entered values.
Code:
a=int(input("Enter first number="))
b=int(input("Enter second number="))
c=int(input("Enter third number="))
max=a
if b>max:
max=b
if c>max:
max=c
print("The largest number is =", max)
Output:
Enter first number=70
Enter second number=80
Enter third number=20
The largest number is = 80
Enter first number=50
Enter second number=10
Enter third number=90
The largest number is = 90
4
Program 7: WAP in python to find the second largest value among three user entered values.
Code:
a=int(input("Enter first number"))
b=int(input("Enter first number"))
c=int(input("Enter first number"))
if a>b and a>c:
max=a
if b>c:
max1=b
else:
max1=c
elif b>c and b>a:
max=b
if a>c:
max1=a
else:
max1=c
else:
max=c
if b>a:
max1=b
else:
max1=a
print("Second largest=",max1)
Output:
Enter first number65
Enter first number25
Enter first number37
Second largest= 37
Program 8: WAP in python to calculate factorial of a user entered number.
Code:
n=int(input("Enter a number"))
fact=1
for i in range(1,n+1):
fact=fact*i
print("factorial of number=",n,"is ",fact)
Output:
Enter a number6
factorial of number= 6 is 720
Program 9: WAP in python to display a table of a user entered number.
Code:
n=int(input("Enter a number"))
for i in range(1,11):
print(n*i,end=" ")
5
Output:
Enter a number9
9 18 27 36 45 54 63 72 81 90
Program 10: WAP in python to display the sum of a range of user entered numbers.
Code:
sn=int(input("Enter starting value of range="))
ln=int(input("Enter last value of range="))
s=0
for i in range(sn,ln+1):
s=s+i
print("Sum=",s)
Output:
Enter starting value of range=1
Enter last value of range=10
Sum= 55
Program 11: WAP in python to display the product of a range of user entered numbers.
Code:
sn=int(input("Enter starting value of range="))
ln=int(input("Enter last value of range="))
p=1
for i in range(sn,ln+1):
p=p*i
print("Product=",p)
Output:
Enter starting value of range=1
Enter last value of range=5
Product= 120
Program 12: WAP in python to display Fibonacci series up to user entered terms.
Code:
n=int(input("Enter how many terms you want to display"))
a=0
b=1
print(a, b, end=" ")
for i in range(3,n+1):
c=a+b
print(c, end=" ")
a=b
b=c
Output:
Enter how many terms you want to display10
0 1 1 2 3 5 8 13 21 34
6
Program 13: WAP in python to check whether a user entered number is prime number or not.
Code:
n=int(input("Enter a number"))
status=False
for i in range(2,n//2+1):
if n%i==0:
status=True
break
if status==True:
print("not prime")
else:
print("prime")
Output:
Enter a number9
Entered number 9 is not prime
Enter a number11
Entered number 11 is prime
Program 14: WAP in python to display prime numbers between the given number of ranges.
Code:
sn=int(input("Enter Starting number of range="))
ln=int(input("Enter last number of range="))
for n in range(sn,ln+1):
for i in range(2,n//2+1):
if n%i==0:
break
else:
if n==1:
pass
else:
print(n)
Output:
Enter Starting number of range=1
Enter last number of range=10
2
3
5
7
7
Program 15: WAP in python to display the reverse of a user entered integer number.
Code:
n=int(input("Enter a number"))
no=n
s=0
while n>0:
r=n%10
s=s*10+r
n=n//10
print("The reverse of a number",no,"is", s)
Output:
Enter a number845
The reverse of a number 845 is 548
Program 16: WAP in python to check whether a user entered number is a palindrome number or not.
Code:
n=int(input("Enter a number"))
no=n
s=0
while n>0:
r=n%10
s=s*10+r
n=n//10
if no==s:
print("This is a Palindrome Number")
else:
print("This is not a Palindrome Number")
Output:
Enter a number789
This is not a Palindrome Number
Enter a number787
This is a Palindrome Number
Program 17: WAP in python to check whether user entered number is an armstrong number or not.
Code:
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 an Armstrong number")
else:
print(num,"is not an Armstrong number")
8
Output:
Enter a number: 121
121 is not an Armstrong number
Enter a number: 153
153 is an Armstrong number
Program 18: WAP in python to computer GCD (greatest common divisor) of two numbers.
Code:
a=int(input("Enter first number:"))
b=int(input("Enter second number:"))
if a > b:
smaller = b
else:
smaller = a
for i in range(1, smaller+1):
if((a % i == 0) and (b % i == 0)):
gcd = i
print("GCD of numbers ", a, " and " , b, "is ", gcd)
Output:
Enter first number:125
Enter second number:50
GCD of numbers 125 and 50 is 25
Program 19: WAP in python to print the following pattern:
*
**
***
****
*****
Code:
for i in range(1,6):
for j in range(1,i+1):
print("*", end=" ")
print()
Program 20: WAP in python to print the following pattern:
1
12
123
1234
12345
9
Code:
for i in range(6):
print()
for j in range(1,i+1):
print(j,end=" ")
Program 21: WAP in python to print the following pattern:
54321
4321
321
21
1
Code:
for i in range(5):
print()
for j in range(5-i,0,-1):
print(j,end=" ")
Program 22: WAP in python to print the following pattern:
A
AB
ABC
ABCD
ABCDE
Code:
for i in range(6):
print()
for j in range(65,65+i):
print(chr(j),end=" ")
Program 23: WAP in python to print the sum of the following series:
1+2+3+4+5+6…………………………………
Code:
s=0
n=int(input("Enter number of terms upto which you want to calculate sum="))
for i in range(1,n+1):
s=s+i
print("The sum of the given series upto",n,"terms=",s)
Output:
Enter number of terms upto which you want to calculate sum=5
The sum of the given series upto 5 terms= 15
10
Program 24: WAP in python to print the sum of the following series:
1+(1/2)+(1/3)+(1/4)+(1/5)+(1/6)…………………………………
Code:
s=0
n=int(input("Enter number of terms upto which you want to calculate sum="))
for i in range(1,n+1):
s=s+(1/i)
print("The sum of the given series upto",n,"terms=",s)
Output:
Enter number of terms upto which you want to calculate sum=5
The sum of the given series upto 5 terms= 2.283333333333333
Program 25: WAP in python to print the sum of the following series:
1+(1/!2)+(1/!3)+(1/!4)+(1/!5)+(1/!6)……………………………
Code:
def fact(x):
f=1
for k in range(1,x+1):
f=f*k
return f
s=0
n=int(input("Enter number of terms upto which you want to calculate sum="))
for i in range(1,n+1):
s=s+(1/fact(i))
print("The sum of the given series upto",n,"terms=",s)
Output:
Enter number of terms upto which you want to calculate sum=3
The sum of the given series upto 3 terms= 1.6666666666666667
Program 26: WAP in python to input a string from user and traverse it.
Code:
s=input("Enter a string=")
L=len(s)
for i in range(L):
print(s[i])
Output:
Enter a string=welcome
w
e
l
c
o
m
e
11
Program 27: WAP in python to input a paragraph from user and count the number of characters in it.
Code:
s=input("Enter a string=")
count=0
for i in s:
count+=1
print("The number of characters in the paragraph=",count)
Output:
Enter a string=Hello my name is xyz.
The number of characters in the paragraph= 21
Program 28: WAP in python to input a paragraph from user and count the number of uppercase
characters in it.
Code:
s=input("Enter a string=")
count=0
for i in s:
if ord(i)>=65 and ord(i)<=90:
count+=1
print("The number of uppercase characters in the paragraph=",count)
Output:
Enter a string=Hello my name is XYZ.
The number of uppercase characters in the paragraph= 4
Program 29: WAP in python to input a paragraph from user and count the number of vowels present in
it.
Code:
s=input("Enter a string=")
count=0
for i in s:
if i in "aeiouAEIOU":
count+=1
print("The number of vowels in the paragraph=",count)
Output:
Enter a string=Hello Where are you going?
The number of vowels in the paragraph= 10
Program 30: WAP in python to input a paragraph from user and count the number of words in it.
Code:
s=input("Enter a string=")
count=0
ss=s.split()
for i in ss:
count+=1
print("The number of words in the paragraph=",count)
12
Output:
Enter a string=Hello my name is XYZ.
The number of words in the paragraph= 5
Program 31: WAP in python to input a paragraph from user and count the number of “He” words in it.
Code:
s=input("Enter a string=")
count=0
ss=s.split()
for i in ss:
if i=="He":
count+=1
print("The number of He word in the paragraph=",count)
Output:
Enter a string=He is Mohan. He is a good Student. He always helps others.
The number of He word in the paragraph= 3
Program 32: WAP in python to input a string from user and check whether entered string is palindrome
or not.
Code:
s=input("Enter a string=")
s1=s[::-1]
print("Original String =",s)
print("Reversed String =",s1)
if s==s1:
print("String is palindrome")
else:
print("String is not palindrome")
Output:
Enter a string=nitin
Original String = nitin
Reversed String = nitin
String is palindrome
Program 33: WAP in python to input a list of numbers and display the largest value from it.
Code:
l=eval(input("Enter a list of integer elements="))
size=len(l)
largest=0
for i in range(0,size):
if l[i]>largest:
largest=l[i]
print("The largest among all list elements=",largest)
Output:
Enter a list of integer elements=[50,1,70,-9,100,45,30]
The largest among all list elements= 100
13
Program 34: WAP in python to input a list of numbers and display the second largest value from it.
Code:
import sys
l=eval(input("Enter a list of integer elements="))
size=len(l)
largest=slargest=-sys.maxsize-1
for i in range(0,size):
if l[i]>largest:
slargest=largest
largest=l[i]
elif l[i]>slargest:
slargest=l[i]
print("The second largest number among all list elements=",slargest)
Output:
Enter a list of integer elements=[70,-50,90,40,80,40,110,75]
The second largest number among all list elements= 90
Program 35: WAP in python to input a list of numbers and display the position of user entered number.
Code:
L=eval(input("Enter a list of integer elements="))
svalue=eval(input("Enter a searched element="))
size=len(L)
found=0
for i in range(0,size):
if L[i]==svalue:
found=1
break
if found==1:
print("The searched element",svalue,"is found at", i+1,"position.")
else:
print("The searched element",svalue,"is not found")
Output:
Enter a list of integer elements=[10,60,3,70,90,52]
Enter a searched element=90
The searched element 90 is found at 5 position.
Enter a list of integer elements=[10,60,3,70,90,52]
Enter a searched element=4
The searched element 4 is not found
14
Program 36: WAP in python to input a list of numbers and display the sum & average of list elements.
Code:
l=eval(input("Enter a list of integer elements="))
size=len(l)
sum=0
for i in range(0,size):
sum=sum+l[i]
print("The sum of all list elements=",sum)
print("The average of all list elements=",sum/size)
Output:
Enter a list of integer elements=[10,20,30,40,50]
The sum of all list elements= 150
The average of all list elements= 30.0
Program 37: WAP in python to input a list of numbers and display the sum of all odd values.
Code:
l=eval(input("Enter a list of integer elements="))
size=len(l)
sum=0
for i in range(0,size):
if l[i]%2!=0:
sum=sum+l[i]
print("The sum of all odd list elements=",sum)
Output:
Enter a list of integer elements=[15,80,33,40,72]
The sum of all odd list elements= 48
Program 38: WAP in python to input names of n students in a tuple and check whether a user entered
name is present in the tuple or not.
Code:
t=eval(input("Enter a tuples with student names="))
sstudent=input("Enter student name which you want to search")
size=len(t)
found=0
for i in range(0,size):
if t[i]==sstudent:
found=1
break
if found==1:
print("The student",sstudent, "is found in tuple at",i+1,"position.")
else:
print("This student is not found in this tuple.")
Output:
Enter a tuples with student names=("ram","shyam","monty","rahul","vickey")
Enter student name which you want to searchrahul
The student rahul is found in tuple at 4 position.
15
Program 39: WAP in python to input names of employees and their salaries, store them in a dictionary
and display this dictionary.
Code:
employee={}
n=int(input("Enter number of employee="))
for i in range(n):
ename=input("Enter employee name=")
esalary=int(input("Enter employee salary="))
employee[ename]=esalary
print("The employee details are:")
print(employee)
Output:
Enter number of employee=5
Enter employee name=rahul
Enter employee salary=5000
Enter employee name=keshav
Enter employee salary=4300
Enter employee name=mehul
Enter employee salary=9000
Enter employee name=ramesh
Enter employee salary=1500
Enter employee name=asif
Enter employee salary=6200
The employee details are:
{'rahul': 5000, 'keshav': 4300, 'mehul': 9000, 'ramesh': 1500, 'asif': 6200}
Program 40: Create a dictionary with the roll number, name and marks of n students in a class and
display the names of students who have marks above 75.
Code:
n=int(input("Enter number of students="))
sdict={}
for i in range(n):
srno=int(input("Enter student roll number="))
sname=input("Enter student name=")
smarks=int(input("Enter student marks="))
sdict[srno]=[sname,smarks]
print("The items of the dictionary=",sdict)
print("Names of those students whose marks are above 75:")
for k in sdict:
if sdict[k][1]>75:
print(sdict[k][0])
16
Output:
Enter number of students=3
Enter student roll number=1
Enter student name=Abhishek
Enter student marks=85
Enter student roll number=2
Enter student name=Rahul
Enter student marks=58
Enter student roll number=3
Enter student name=Parth
Enter student marks=95
The items of the dictionary= {1: ['Abhishek', 85], 2: ['Rahul', 58], 3: ['Parth', 95]}
Names of those students whose marks are above 75:
Abhishek
Parth
17
