Python Program to develop a calculator |Calculator program in Python|

 Program

# Addition

def add(a, b):

    return a + b

# Subtraction

def subtract(x, y):

    return x - y

#Multiplication

def multiply(x, y):

    return x * y

# Division

def divide(x, y):

    return x / y

print("Calculations performed")

print("1.Addition")

print("2.Subtraction")

print("3.Multiplication")

print("4.Division")

while True:

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

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

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

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

        if choice == '1':

            print(num1, "+", num2, "=", add(num1, num2))

        elif choice == '2':

            print(num1, "-", num2, "=", subtract(num1, num2))

        elif choice == '3':

            print(num1, "*", num2, "=", multiply(num1, num2))

        elif choice == '4':

            print(num1, "/", num2, "=", divide(num1, num2))

        next_calculation = input("Let's do next calculation? (y/n): ")

        if next_calculation == "n":

          break

    else:

        print("Invalid Input")

Output: