Program implements a simple calculator

This program implements a simple calculator

# Function to add two numbers
def add(a, b):
return a + b # Function to subtract two numbers
def subtract(a, b):
return a - b # Function to multiply two numbers
def multiply(a, b):
return a * b # Function to divide two numbers
def divide(a, b):
return a / b # Main program
if __name__ == '__main__': num1 =
num1 =
num1 = float(input("Enter the first number: ")) num2 =
num2 =
num2 = float(input("Enter the second number: "))
print("Select operation:")
print("1. Add")
print("2. Subtract")
print("3. Multiply")
print("4. Divide") choice = choice =
choice = input("Enter your choice (1-4): ")
if choice == '1': result = add(num1, num2)
result = add(num1, num2)
result = add(num1, num2)
print("Result: ", result)
elif choice == '2': result = subtract(num1, num2)
result = subtract(num1, num2)
result = subtract(num1, num2)
print("Result: ", result)

elif choice == '3': result = multiply(num1, num2)
result = multiply(num1, num2)
result = multiply(num1, num2)
print("Result: ", result)
elif choice == '4': result = divide(num1, num2)
result = divide(num1, num2)
print("Result: ", result)
else:
print("Invalid choice!")