List of Programs for Computer Sc. Practical file  XI

Write a program to accepts two integers and print their sum.

Write a program that accepts the radius of a circle and prints its area.

Write a program that accepts base and height and calculate the area of a triangle.

Write a program to read two numbers and prints their quotient and reminder.

Write a program to find whether a given number is even or odd.

Write a program to find the largest among the three integers.

Write a program to find the lowest among the three integers.

Write a program that accepts the length and breadth of the rectangle and calculate its area.

Write a program that accepts weight in Kg and height in meters and calculate the BMI.

Write a program that reads the number n and print the value of n², n³ and n⁴.

Write a program to accept the marks of five subjects and calculate the average marks.

Write a program to accept the height in cm and convert it into feet and inches.

Write a program that accepts the age and print if one is eligible to vote or not.

Write a program to accept the year and check if it is a leap year or not.

Write a program to obtain x, y, z and calculate 4x⁴+3y³+9z+6π.

Write a program to input a number and check whether it is positive, negative or zero.

Write a program to input percentage marks of a student and find the grade as per the following criterion:
24. Write a program to enter a number and check if it is a prime number or not.
28. Write a program to calculate and print the roots of a quadratic equation ax²+bx+c=0.(a≠0)
29. Write a program to print the sum of natural numbers between 1 to 7. Print the sum progressively i.e. after adding each natural number, a print sum so far.
30. Write a program to calculate the factorial of a number.
31. Write a program to create a triangle of stars using a nested loop.
32. Write a Python script to print Fibonacci series’ first 20 elements.
33. Write a program to read an integer>1000 and reverse the number.
34. Input three angles and determine if they form a triangle or not.
35. Write a Python script that displays the first ten Mersenne numbers.
37. Write a program to calculate BMI and print the nutritional status as per the following table:
Nutritional Status WHO criteria BMI
38. Write a python script to print the following pattern.
39. Write a program to find the sum of the series :
40. Write a python script to input two numbers and print their LCM and HCF.
41. Write a python script to calculate the sum of the following series:
S=(1)+(1+2)+(1+2+3)+……+(1+2+3+….+n)
42. Write a program to print the following using a single loop (no nested loops)
43. Write a program to print a pattern like:
44. A program that reads a line and prints its statistics like:
47. Write a program that reads a string and checks whether it is a palindrome string or not.
51. WAP to remove all odd numbers from the given list.
52. WAP to display the second largest element of a given list.
53. WAP to display frequencies of all the elements of a list.
54. WAP in Python to find and display the sum of all the values which are ending with 3 from a list.
55. WAP to search an element from the given list.
56. WAP to accept values from user and create a tuple.
58. Write a program to input the total number of sections and
Solutions:
1. Write a program to accepts two integers and print their sum.
# Write a program to accepts two integers and print their sum.
a=int(input('Enter the first integer:'))
b=int(input('Enter the second integer:'))
Sum=a+b
print('The two integers are:', a, b)
print('The sum of two integers are:', Sum)
2. Write a program that accepts the radius of a circle and prints its area.
# 2.Write a program that accepts radius of a circle and prints its area.
r=int(input('Enter the radius of circle:'))
Area=3.14*r**2
print('The area of the circle is:', Area)
3. Write a program that accepts base and height and calculate the area of a triangle.
#Write a program that accepts base and height and calculate the area of triangle
b=float(input('Enter the base of triangle:'))
h=float(input('Enter the height of triangle:'))
Area=(1/2)*b*h
print('The area of triangle is:', Area)
4.Write a program that inputs a student’s marks in three subjects (out of 100) and prints the percentage marks.
# Write a program that inputs a student’s marks in
# three subjects (out of 100)and prints the percentage marks
print('Enter the marks of three subject out of 100')
a=float(input('Enter the marks of first subject:'))
b=float(input('Enter the marks of second subject:'))
c=float(input('Enter the marks of third subject:'))
P=(a+b+c)/3
print('The percentage marks are:', P,'%')
5. Write a program to compute the area of square and triangle.
# Write a program to compute area of square and triangle.
a=float(input('Enter the value of side:'))
A=a**2
T=((3**0.5)/4)*a**2
print('The area of square is:', A)
print('The area of triangle is:', T)
6. Write a program to calculate simple interest.
# Write a program to calculate simple interest.
P=float(input('Enter the principal amount in : '))
R=float(input('Enter the rate of interest: '))
T=float(input('Enter the time in years: '))
SI=(P*R*T)/100
print('The simple interest is : ', SI)
7. Write a program to read two numbers and prints their quotient and reminder.
# Write a program to read two numbers and prints their quotient and reminder
a=float(input('Enter the dividend:'))
b=float(input('Enter the divisor:'))
Q=a//b
R=a%b
print('The quotient is:', Q)
print('The remainder is:', R)
8. Write a program to find whether a given number is even or odd.
# Write a program to find whether a given number is even or odd.
a=int(input('Enter the number:'))
if a%2==0:
print('The number is even')
else:
print('The number is odd')
9. Write a program to find the largest among the three integers.
# Write a program to find largest among three integers
a=int(input('Enter the first integer:'))
b=int(input('Enter the second integer:'))
c=int(input('Enter the third integer:'))
if a>b and a>c:
print(a, 'is the largest integer')
if b>a and b>c:
print(b, 'is the largest integer')
if c>a and c>b:
print(c, 'is the largest integer')
10. Write a program to find the lowest among the three integers.
# Write a program to find lowest among three integer.
a=int(input('Enter the first integer:'))
b=int(input('Enter the second integer:'))
c=int(input('Enter the third integer:'))
ifa<b and a<c:
print(a, 'is the smallest integer')
ifb<a and b<c:
print(b, 'is the smallest integer')
ifc<a and c<b:
print(c, 'is the smallest integer')
11. Write a program that accepts the length and breadth of the rectangle and calculate its area.
# Write a program to that accepts length and
# breadth of rectangle and calculate its area.
l=float(input('Enter the length of rectangle:'))
b=float(input('Enter the breadth of rectangle:'))
area=l*b
print('Rectangle Specifications')
print('Length=',l)
print('Breadth=', b)
print('Area=', area)
12. Write a program that accepts weight in Kg and height in meters and calculate the BMI.
# Write a program that accepts weight in Kg
# and height in meters and calculate the BMI.
W = float(input('Enter the weight in Kg:'))
H = float(input('Enter height in meters:'))
BMI=W/(H**2)
print('BMI is:', BMI)
13. Write a program that reads the number n and prints the value of n², n³ and n⁴.
# Write a program that reads the number n
# and print the value of n², n³ and n⁴.
a=float(input('Enter the value of n:'))
b=a**2
c=a**3
d=a**4
print('The value of n² is:', b)
print('The value of n³ is:', c)
print('The value of n⁴ is:', d)
14. Write a program to accept the marks of five subjects and calculate the average marks.
# Write a program to accept the marks of five subjects
# and calculate the average marks.
a=float(input('Enter the marks of first subject:'))
b=float(input('Enter the marks of second subject:'))
c=float(input('Enter the marks of third subject:'))
d=float(input('Enter the marks of fourth subject:'))
e=float(input('Enter the marks of fifth subject:'))
Average=(a+b+c+d+e)/5
print('The average marks are:', Average)
15. Write a program to accept the height in cm and convert it into feet and inches.
# Write a program to accept the height in cm and
# convert it into feet and inches.
a=float(input('Enter your height in centimeters:'))
Feet=a*0.032
Inch=a*0.393
print('Your height in feet is:', Feet)
print('Your height in inch is:', Inch)
16. Write a program that accepts the age and print if one is eligible to vote or not.
# Write a program that accepts the age and
# print if one is eligible to vote or not.
a=int(input('Enter your age:'))
if a>=18:
print('You are eligible to vote')
else:
print('You are not eligible to vote')
17. Write a program that accepts two numbers and check if the first number is fully divisible by the second number or not.
# Write a program that accepts two numbers and
# check if the first number is fully divisible by second number or not.
a=float(input('Enter the first number:'))
b=float(input('Enter the second number:'))
if a%b==0:
print('The first number is fully divisible by second number')
else:
print('The first number is not fully divisible by second number')
18. Write a program to read base, width and height of parallelogram and calculate its area and perimeter.
#Write a program to read base, width and height of
#parallelogram and calculate its area and perimeter.
b=float(input('Enter the base of parallelogram:'))
w=float(input('Enter the width of parallelogram:'))
h=float(input('Enter the height of parallelogram:'))
Area=b*h
Perimeter=2*(b+w)
print('The area of parallelogram is:', Area)
print('The perimeter of parallelogram is:', Perimeter)
19. Write a program to accept the year and check if it is a leap year or not.
# Write a program to accept the year and
# check if it is a leap year or not.
a=int(input('Enter the year:'))
if a%4==0:
print('This year is a leap year')
else:
print('This year is not a leap year')
20. Write a program to obtain x, y, z and calculate 4x⁴+3y³+9z+6π.
# Write a program to obtain x, y, z and calculate 4x⁴+3y³+9z+6π.
import math
print('To calculate 4x⁴+3y³+9z+6π')
x=float(input('Enter the number x:'))
y=float(input('Enter the number y:'))
z=float(input('Enter the number z:'))
b=(4*math.pow(x,4))+(3*math.pow(y,3))+(9*z)+(6*math.pi)
print('The result of the above expression is:',b)
21. Write a program to input a number and print its square if it is odd, otherwise print its square root.
# Write a program to input a number and print its
# square if it is odd, otherwise print its square root.
import math
x=float(input('Enter the number:'))
a=math.pow(x,2)
b=math.sqrt(x)
if x%2!=0:
print('The value of square is:',a)
else:
print('The value of square root is:',b)
22. Write a program to input a number and check whether it is positive, negative or zero.
# Write a program to input a number and check whether
# it is positive, negative or zero.
a=float(input('Enter the number:'))
if a>=0:
if a==0:
print('The number is zero')
else:
print('The number is a positive number')
else:
print('The number is a negative number')
23. Write a program to input percentage marks of a student and find the grade as per the following criterion:
'''
Write a program to input percentage marks of a student and find the grade as per following criterion:
Marks Grade
>=90 A
7590 B
6075 C
Below 60 D
'''
a=float(input('Enter the percentage marks:'))
if a>=90:
print('The student has got an A grade')
elif a>=75 and a<90:
print('The student has got a B grade')
elif a>=60 and a<75:
print('The student has got a C grade')
else:
print('The student has got a D grade')
24. Write a program to enter a number and check if it is a prime number or not.
# Write a program to enter a number and
# check if it is a prime number or not.
num=int(input('Enter the number:'))
for i in range(2,num//2+1):
if num%i==0:
print('It is not a prime no.')
break
else:
print('It is a prime number')
25. Write a program to display a menu for calculating the area of the circle or perimeter of the circle.
# Write a program to display a menu for calculating
# area of circle or perimeter of the circle.
r=float(input('Enter the radius of the circle:'))
print('1.Calculate perimeter')
print('2.Calculate area')
choice=int(input('Enter your choice (1 or 2):'))
if choice==1:
peri=2*3.14159*r
print('Perimeter of the circle with radius',r,':',peri)
else:
area=3.14159*r*r
print('Area of the circle of the radius',r,':',area)
26. Write a program that reads two numbers and an arithmetic operator and displays the computed result.
# Write a program that reads two numbers and an
# arithmetic operator and displays the computed result.
a=float(input('Enter the first number:'))
b=float(input('Enter the second number:'))
c=input('Enter the operator[/,*,+,]:')
if c=='/':
r=a/b
elif c=='*':
r=a*b
elif c=='+':
r=a+b
elif c=='':
r=ab
else:
print('Invalid operator')
print(a,c,b,'=',r)
27. Write a program to print whether a given character is an uppercase or a lowercase character or a digit or any other character.
# Write a program to print whether a given character
# is an uppercase or a lowercase character or a digit or any other character.
ch=input('Enter a single character:')
if ch>='A'and ch<='Z':
print('You have entered an uppercase character.')
elif ch>='a'and ch<='z':
print('You have entered an lowercase character.')
elif ch>='0'and ch<='9':
print('You have entered a digit.')
else:
print('You have entered a special character.')
28. Write a program to calculate and print the roots of a quadratic equation ax²+bx+c=0.(a≠0)
# Write a program to calculate and print the roots of a
# quadratic equation ax²+bx+c=0.(a≠0)
import math
print('For quadratic equation, ax²+bx+c=0,enter coefficents below')
a=int(input('Enter a:'))
b=int(input('Enter b:'))
c=int(input('Enter c:'))
if a==0:
print('Value of a should not be zero')
print('Aborting!!')
else:
d=b*b4*a*c
if d>0:
root1=(b+math.sqrt(d))/(2*a)
root2=(bmath.sqrt(d))/(2*a)
print('Roots are real and unequal')
print('Root1=',root1,',Root2=',root2)
elif d==0:
root1=b/2*a
print('Roots are real and equal')
print('Root1=',root1,',Root2=',root1)
else:
print('Roots are complex and imaginary')
29. Write a program to print the sum of natural numbers between 1 to 7. Print the sum progressively i.e. after adding each natural number, a print sum so far.
# Write a program to print the sum of natural numbers between 1 to 20.
# Print the sum progressively i.e. after adding each natural number,
# print sum so far.
Sum=0
for n in range(1,21):
Sum+=n
print('Sum of natural numbers <=',n,'is',Sum)
30. Write a program to calculate the factorial of a number.
# Write a program to calculate the factorial of a number.
num=int(input('Enter a number:'))
fact=1
a=1
while a<=num:
fact*=a
a+=1
print('The factorial of',num,'is',fact)
31. Write a program to create a triangle of stars using a nested loop.
# Write a program to create a triangle of stars using nested loop.
for i in range(1,6):
print()
for j in range(1,i):
print('*',end=' ')
32. Write a Python script to print Fibonacci series’ first 20 elements.
# Write a Python script to print Fibonacci series’ first 10 elements.
first=0
second=1
print(first, end=' ')
print(second,end=' ')
for a in range(1,9):
third=first+second
print(third,end=' ')
first,second=second,third
33. Write a program to read an integer>1000 and reverse the number.
# Write a program to read an integer>1000 and reverse the number.
num=int(input('Enter a number (>1000):'))
tnum=num
reverse=0
while tnum>0:
digit=tnum%10
reverse=reverse*10+digit
tnum=tnum//10
print('Reverse of',num,'is',reverse)
34. Input three angles and determine if they form a triangle or not.
# Input three angles and determine if they form a triangle or not.
angle1=angle2=angle3=0
angle1=float(input('Enter the first angle:'))
angle2=float(input('Enter the second angle:'))
angle3=float(input('Enter the third angle:'))
if angle1+angle2+angle3==180:
print('The angles form a triangle')
else:
print('The angles do not form a triangle')
35. Write a Python script that displays the first ten Mersenne numbers.