Grade XII - Functions without parameters

 

 Functions without parameters

# Write code to create Mini Calculator using functions without parameters

def add():

    num1 = float(input("Enter first number: "))

    num2 = float(input("Enter second number: "))

    print(num1 + num2)

def subtract():

    num1 = float(input("Enter first number: "))

    num2 = float(input("Enter second number: "))

    print(num1 - num2)

def multiply():

    num1 = float(input("Enter first number: "))

    num2 = float(input("Enter second number: "))

    print(num1 * num2)

def divide():

    num1 = float(input("Enter first number: "))

    num2 = float(input("Enter second number: "))

    if num2 == 0:

        print("Cannot divide by zero.")

    else:

        print(num1 / num2)

while True:

    print("Select operation:")

    print("1. Add")

    print("2. Subtract")

    print("3. Multiply")

    print("4. Divide")

    print("5. Exit")

    choice = input("Enter choice(1/2/3/4/5): ")

    if choice in ('1', '2', '3', '4'):

        if choice == '1':

            add()

        elif choice == '2':

            subtract()

        elif choice == '3':

            multiply()

        elif choice == '4':

            divide()

    elif choice == '5':

        break

    else:

        print("Invalid input")

#Write a program to define functions to calculate area of circle, rectangle and square. In a menu driven interface, call these functions(without parameters) on user’s choice.

#Write a menu driven program to accept an integer and do the following on user's choice

1. multiplication Table

2. Factors

3. Check Prime or Composite -

Write UDF for each option