How to code a calculator in python , For begginers

[@SKBgodmode]

# Function to add two numbers def add(x, y): return x + y # Function to subtract two numbers def subtract(x, y): return x - y # Function to multiply two numbers def multiply(x, y): return x * y # Function to divide two numbers def divide(x, y): if y == 0: return "Error! Division by zero." return x / y # Main program print("Select operation:") print("1. Add") print("2. Subtract") print("3. Multiply") print("4. Divide") # Take input from the user choice = input("Enter choice (1/2/3/4): ") # Check if choice is one of the four options if choice in ('1', '2', '3', '4'): num1 = float(input("Enter first number: ")) num2 = float(input("Enter second number: ")) if choice == '1': print(f"{num1} + {num2} = {add(num1, num2)}") elif choice == '2': print(f"{num1} - {num2} = {subtract(num1, num2)}") elif choice == '3': print(f"{num1} * {num2} = {multiply(num1, num2)}") elif choice == '4': print(f"{num1} / {num2} = {divide(num1, num2)}") else: print("Invalid Input")