Page 521 - Computer Science V2.0 Class 11

number = int(input("Enter a number: "))
reverse = reverse(number)
print("Reverse of the number:", reverse)

Program 30: Write a menu-driven program to perform the following operations:

1. Square Root of number
2. GCD of two numbers
3. Factorial of a number

4. Exit
Develop separate user-defined functions for each menu option.

Ans. import math
def calculateSquareRoot():
'''
Objective : To calculate the square root of a number
Input Parameter : None

Return Value : None
'''
num = float(input("Enter a number: "))
if num >= 0:

squareRoot = math.sqrt(num)
print(f"Square root of {num} is {squareRoot:.2f}")
else:
print("Cannot calculate square root of a negative number.")

def calculateGCD():

'''
Objective : To calculate the GCD of two numbers
Input Parameter : None
Return Value : None

'''
num1 = int(input("Enter the first number: "))
num2 = int(input("Enter the second number: "))
gcd = math.gcd(num1, num2)
print(f"GCD of {num1} and {num2} is {gcd}")

def calculateFactorial():
'''
Objective : To calculate the factorial of a number
Input Parameter : None

Return Value : None

Practical 507